US Bridges

W Second Street over Swartz Creek

PoorPosted for load

Genesee County, Michigan · In City of Flint · Structure no. 000000000002830

Built
1919
106 years old
Condition
Poor
inspected December 2024
Type
Arch - Deck
Concrete
Length
76 ft
1 main span
Daily traffic
1,798
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Second Street over Swartz Creek is a concrete arch - deck carrying W Second Street over Swartz Creek in Genesee County, Michigan. It was built in 1919, so it is 106 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,798 vehicles a day, roughly 8% of them trucks, projected to reach 2,194 by 2041. The structure is 76 ft (23.1 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW Second Street
CrossesSwartz Creek
LocationIn City of Flint
RouteCity Street 2002
Coordinates43.0108, -83.69926
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.4 US tons
Inventory rating16.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length76 ft (23.1 m)
Longest span70 ft (21.3 m)
Deck width47 ft (14.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,798 (2021)
Projected traffic2,194 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was W Second Street over Swartz Creek built?

It was built in 1919, making it 106 years old in 2025.

What condition is W Second Street over Swartz Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does W Second Street over Swartz Creek carry?

About 1,798 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is W Second Street over Swartz Creek?

The structure is 76 ft (23.1 m) long with a longest span of 70 ft (21.3 m) and a deck 47 ft wide.

Who owns W Second Street over Swartz Creek?

It is owned by the City or Municipal Highway Agency.