US Bridges

Jeddo Road over S. Br. Mill Creek Drain

FairPosted for load

St. Clair County, Michigan · Sec. 4-9 Brockway Twp. · Structure no. 000000000010120

Built
1939
86 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
2 main spans
Daily traffic
444
2021 count
Owner
County
County Highway Agency

About this bridge

Jeddo Road over S. Br. Mill Creek Drain is a steel stringer/multi-beam or girder carrying Jeddo Road over S. Br. Mill Creek Drain in St. Clair County, Michigan. It was built in 1939, so it is 86 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 444 vehicles a day, roughly 4% of them trucks, projected to reach 659 by 2041. The structure is 74 ft (22.6 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesJeddo Road
CrossesS. Br. Mill Creek Drain
LocationSec. 4-9 Brockway Twp.
RouteCounty Highway 0
CountySt. Clair County
StateMichigan
Coordinates43.14353, -82.83664
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.3 US tons
Inventory rating35.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length74 ft (22.6 m)
Longest span35 ft (10.8 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic444 (2021)
Projected traffic659 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$12,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Jeddo Road over S. Br. Mill Creek Drain built?

It was built in 1939, making it 86 years old in 2025.

What condition is Jeddo Road over S. Br. Mill Creek Drain in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Jeddo Road over S. Br. Mill Creek Drain carry?

About 444 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Jeddo Road over S. Br. Mill Creek Drain?

The structure is 74 ft (22.6 m) long with a longest span of 35 ft (10.8 m) and a deck 23 ft wide.

Who owns Jeddo Road over S. Br. Mill Creek Drain?

It is owned by the County Highway Agency.