US Bridges

I-75 NB & US-23 NB over Pine Run Creek

Fair

Genesee County, Michigan · 0.4 MI N of M-57 · Structure no. 000000000002491

Built
1958
67 years old, rebuilt 2004
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
135 ft
3 main spans
Daily traffic
28,043
2007 count
Owner
State
State Highway Agency

About this bridge

I-75 NB & US-23 NB over Pine Run Creek is a concrete tee beam carrying I-75 NB & US-23 NB over Pine Run Creek in Genesee County, Michigan. It was built in 1958 and reconstructed in 2004, so it is 67 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.

It carries about 28,043 vehicles a day, roughly 15% of them trucks, projected to reach 65,715 by 2018. The structure is 135 ft (41.1 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-75 NB & US-23 NB
CrossesPine Run Creek
Location0.4 MI N of M-57
RouteInterstate 75
CountyGenesee County
StateMichigan
Coordinates43.18304, -83.76899
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating31.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span45 ft (13.7 m)
Deck width83 ft (25.2 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,043 (2007)
Projected traffic65,715 by 2018
Trucks15%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 NB & US-23 NB over Pine Run Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2004.

What condition is I-75 NB & US-23 NB over Pine Run 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 October 2024.

How much traffic does I-75 NB & US-23 NB over Pine Run Creek carry?

About 28,043 vehicles per day (2007 count), of which roughly 15% are trucks.

How long is I-75 NB & US-23 NB over Pine Run Creek?

The structure is 135 ft (41.1 m) long with a longest span of 45 ft (13.7 m) and a deck 83 ft wide.

Who owns I-75 NB & US-23 NB over Pine Run Creek?

It is owned by the State Highway Agency.