US Bridges

Tyler Road over US-31

Good

Oceana County, Michigan · 1.0 MI W of Hart · Structure no. 000000000008352

Built
1976
49 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
370 ft
5 main spans
Daily traffic
1,000
1993 count
Owner
State
State Highway Agency

About this bridge

Tyler Road over US-31 is a steel stringer/multi-beam or girder carrying Tyler Road over US-31 in Oceana County, Michigan. It was built in 1976, so it is 49 years old, older 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 1,000 vehicles a day, roughly 6% of them trucks, projected to reach 1,200 by 2010. The structure is 370 ft (112.8 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTyler Road
CrossesUS-31
Location1.0 MI W of Hart
RouteCounty Highway 6454
Coordinates43.70378, -86.39282
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 rating92.8 US tons
Inventory rating55.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length370 ft (112.8 m)
Longest span100 ft (30.4 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (1993)
Projected traffic1,200 by 2010
Trucks6%
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$325,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Tyler Road over US-31 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Tyler Road over US-31 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 November 2023.

How much traffic does Tyler Road over US-31 carry?

About 1,000 vehicles per day (1993 count), of which roughly 6% are trucks.

How long is Tyler Road over US-31?

The structure is 370 ft (112.8 m) long with a longest span of 100 ft (30.4 m) and a deck 44 ft wide.

Who owns Tyler Road over US-31?

It is owned by the State Highway Agency.