US Bridges

Ainger Road over Battle Creek River

Fair

Eaton County, Michigan · 0.5 MI S of Ainger Road · Structure no. 000000000002352

Built
1992
33 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
65 ft
1 main span
Daily traffic
1,042
2010 count
Owner
County
County Highway Agency

About this bridge

Ainger Road over Battle Creek River is a concrete box beam or girders - multiple carrying Ainger Road over Battle Creek River in Eaton County, Michigan. It was built in 1992, so it is 33 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 1,042 vehicles a day, projected to reach 1,060 by 2013. The structure is 65 ft (19.8 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAinger Road
CrossesBattle Creek River
Location0.5 MI S of Ainger Road
RouteCounty Highway 2331
CountyEaton County
StateMichigan
Coordinates42.47446, -84.9347
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionJune 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span61 ft (18.6 m)
Deck width38 ft (11.5 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,042 (2010)
Projected traffic1,060 by 2013
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ainger Road over Battle Creek River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Ainger Road over Battle Creek 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 June 2023.

How much traffic does Ainger Road over Battle Creek River carry?

About 1,042 vehicles per day (2010 count).

How long is Ainger Road over Battle Creek River?

The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.6 m) and a deck 38 ft wide.

Who owns Ainger Road over Battle Creek River?

It is owned by the County Highway Agency.