US Bridges

E Townline RD over I-75

Fair

Saginaw County, Michigan · 7.0 MI NW of Genesee Col · Structure no. 000000000009195

Built
1961
64 years old, rebuilt 1991
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
266 ft
4 main spans
Daily traffic
701
1994 count
Owner
State
State Highway Agency

About this bridge

E Townline RD over I-75 is a steel stringer/multi-beam or girder carrying E Townline RD over I-75 in Saginaw County, Michigan. It was built in 1961 and reconstructed in 1991, so it is 64 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 701 vehicles a day, roughly 3% of them trucks, projected to reach 110 by 1977. The structure is 266 ft (81 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesE Townline RD
CrossesI-75
Location7.0 MI NW of Genesee Col
RouteCounty Highway 0
CountySaginaw County
StateMichigan
Coordinates43.30738, -83.83555
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length266 ft (81 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic701 (1994)
Projected traffic110 by 1977
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E Townline RD over I-75 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1991.

What condition is E Townline RD over I-75 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 August 2024.

How much traffic does E Townline RD over I-75 carry?

About 701 vehicles per day (1994 count), of which roughly 3% are trucks.

How long is E Townline RD over I-75?

The structure is 266 ft (81 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns E Townline RD over I-75?

It is owned by the State Highway Agency.