US Bridges

M-58 EB to I-675 E over H&e RR Davenport

Fair

Saginaw County, Michigan · In Saginaw · Structure no. 000000000009116

Built
1971
54 years old, rebuilt 2009
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
643 ft
10 main spans
Daily traffic
14,143
2017 count
Owner
State
State Highway Agency

About this bridge

M-58 EB to I-675 E over H&e RR Davenport is a steel stringer/multi-beam or girder carrying M-58 EB to I-675 E over H&e RR Davenport in Saginaw County, Michigan. It was built in 1971 and reconstructed in 2009, so it is 54 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 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 14,143 vehicles a day, roughly 7% of them trucks, projected to reach 16,264 by 2037. The structure is 643 ft (196 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesM-58 EB to I-675 E
CrossesH&e RR Davenport
LocationIn Saginaw
RouteInterstate 675
CountySaginaw County
StateMichigan
Coordinates43.43735, -83.94752
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20 + Mod
Structure length643 ft (196 m)
Longest span80 ft (24.4 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,143 (2017)
Projected traffic16,264 by 2037
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 M-58 EB to I-675 E over H&e RR Davenport built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2009.

What condition is M-58 EB to I-675 E over H&e RR Davenport 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 M-58 EB to I-675 E over H&e RR Davenport carry?

About 14,143 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is M-58 EB to I-675 E over H&e RR Davenport?

The structure is 643 ft (196 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns M-58 EB to I-675 E over H&e RR Davenport?

It is owned by the State Highway Agency.