US Bridges

Maxwell Road over Swan Creek

PoorClosed to traffic

Monroe County, Michigan · 0.4 Mi. S. of Newburg Rd. · Structure no. 000000000007311

Built
1960
65 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
240
2010 count
Owner
County
County Highway Agency

About this bridge

Maxwell Road over Swan Creek is a steel stringer/multi-beam or girder carrying Maxwell Road over Swan Creek in Monroe County, Michigan. It was built in 1960, so it is 65 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: closed to all traffic.

It carries about 240 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2030. The structure is 34 ft (10.3 m) long and 19 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMaxwell Road
CrossesSwan Creek
Location0.4 Mi. S. of Newburg Rd.
RouteCounty Highway 0
Coordinates42.07413, -83.40002
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating53.2 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length34 ft (10.3 m)
Longest span31 ft (9.4 m)
Deck width19 ft (5.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2010)
Projected traffic320 by 2030
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$350,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Maxwell Road over Swan Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Maxwell Road over Swan 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 June 2023.

How much traffic does Maxwell Road over Swan Creek carry?

About 240 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Maxwell Road over Swan Creek?

The structure is 34 ft (10.3 m) long with a longest span of 31 ft (9.4 m) and a deck 19 ft wide.

Who owns Maxwell Road over Swan Creek?

It is owned by the County Highway Agency.