US Bridges

Woodworth Avenue over Pine River

Fair

Gratiot County, Michigan · 0.2 MI S US-27BR in Alma · Structure no. 000000000003252

Built
1979
46 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
105 ft
3 main spans
Daily traffic
2,991
1994 count
Owner
City
City or Municipal Highway Agency

About this bridge

Woodworth Avenue over Pine River is a concrete continuous slab carrying Woodworth Avenue over Pine River in Gratiot 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 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 2,991 vehicles a day, roughly 5% of them trucks, projected to reach 3,800 by 2022. The structure is 105 ft (32 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWoodworth Avenue
CrossesPine River
Location0.2 MI S US-27BR in Alma
RouteCity Street 2033
CountyGratiot County
StateMichigan
Coordinates43.37517, -84.66027
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length105 ft (32 m)
Longest span35 ft (10.7 m)
Deck width60 ft (18.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,991 (1994)
Projected traffic3,800 by 2022
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Woodworth Avenue over Pine River built?

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

What condition is Woodworth Avenue over Pine River 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 2023.

How much traffic does Woodworth Avenue over Pine River carry?

About 2,991 vehicles per day (1994 count), of which roughly 5% are trucks.

How long is Woodworth Avenue over Pine River?

The structure is 105 ft (32 m) long with a longest span of 35 ft (10.7 m) and a deck 60 ft wide.

Who owns Woodworth Avenue over Pine River?

It is owned by the City or Municipal Highway Agency.