US Bridges

Old State Road over US-131 NB

Good

Mecosta County, Michigan · 5.5 MI S of Big Rapids · Structure no. 000000000006729

Built
1979
46 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
221 ft
3 main spans
Daily traffic
480
1981 count
Owner
State
State Highway Agency

About this bridge

Old State Road over US-131 NB is a steel stringer/multi-beam or girder carrying Old State Road over US-131 NB in Mecosta County, Michigan. It was built in 1979, so it is 46 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 480 vehicles a day, roughly 3% of them trucks, projected to reach 480 by 1977. The structure is 221 ft (67.3 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld State Road
CrossesUS-131 NB
Location5.5 MI S of Big Rapids
RouteCounty Highway 5406
Coordinates43.59796, -85.48762
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating51.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length221 ft (67.3 m)
Longest span125 ft (38.1 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (1981)
Projected traffic480 by 1977
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$96,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old State Road over US-131 NB built?

It was built in 1979, making it 46 years old in 2025.

What condition is Old State Road over US-131 NB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Old State Road over US-131 NB carry?

About 480 vehicles per day (1981 count), of which roughly 3% are trucks.

How long is Old State Road over US-131 NB?

The structure is 221 ft (67.3 m) long with a longest span of 125 ft (38.1 m) and a deck 46 ft wide.

Who owns Old State Road over US-131 NB?

It is owned by the State Highway Agency.