US Bridges

State Street over Mdot RR Corridor

Fair

Livingston County, Michigan · In Howell · Structure no. 000000000005802

Built
1987
38 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
3 main spans
Daily traffic
2,300
1993 count
Owner
State
Other State Agency

About this bridge

State Street over Mdot RR Corridor is a prestressed concrete box beam or girders - multiple carrying State Street over Mdot RR Corridor in Livingston County, Michigan. It was built in 1987, so it is 38 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,300 vehicles a day, roughly 3% of them trucks, projected to reach 90 by 1977. The structure is 78 ft (23.7 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Street
CrossesMdot RR Corridor
LocationIn Howell
RouteCity Street 0
Coordinates42.60876, -83.92772
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.3 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length78 ft (23.7 m)
Longest span29 ft (8.8 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (1993)
Projected traffic90 by 1977
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Street over Mdot RR Corridor built?

It was built in 1987, making it 38 years old in 2025.

What condition is State Street over Mdot RR Corridor 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 April 2023.

How much traffic does State Street over Mdot RR Corridor carry?

About 2,300 vehicles per day (1993 count), of which roughly 3% are trucks.

How long is State Street over Mdot RR Corridor?

The structure is 78 ft (23.7 m) long with a longest span of 29 ft (8.8 m) and a deck 52 ft wide.

Who owns State Street over Mdot RR Corridor?

It is owned by the Other State Agency.