US Bridges

Okemos Road over Mud Creek

FairPosted for load

Ingham County, Michigan · 2 Miles N of Mason · Structure no. 000000000003878

Built
1953
72 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
36 ft
1 main span
Daily traffic
4,660
2019 count
Owner
County
County Highway Agency

About this bridge

Okemos Road over Mud Creek is a concrete tee beam carrying Okemos Road over Mud Creek in Ingham County, Michigan. It was built in 1953, so it is 72 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 4,660 vehicles a day, projected to reach 5,690 by 2039. The structure is 36 ft (10.9 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesOkemos Road
CrossesMud Creek
Location2 Miles N of Mason
RouteCounty Highway 3337
CountyIngham County
StateMichigan
Coordinates42.61058, -84.43296
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length36 ft (10.9 m)
Longest span36 ft (10.9 m)
Deck width37 ft (11.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,660 (2019)
Projected traffic5,690 by 2039
Trucks0%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$33,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Okemos Road over Mud Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is Okemos Road over Mud Creek 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 May 2023.

How much traffic does Okemos Road over Mud Creek carry?

About 4,660 vehicles per day (2019 count).

How long is Okemos Road over Mud Creek?

The structure is 36 ft (10.9 m) long with a longest span of 36 ft (10.9 m) and a deck 37 ft wide.

Who owns Okemos Road over Mud Creek?

It is owned by the County Highway Agency.