US Bridges

Baseline Road over Wanondoger Creek

Fair

Calhoun County, Michigan · 7 MI NE of Battle Creek · Structure no. 000000000001376

Built
1980
45 years old
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
48 ft
2 main spans
Daily traffic
184
1994 count
Owner
County
County Highway Agency

About this bridge

Baseline Road over Wanondoger Creek is a wood or timber slab carrying Baseline Road over Wanondoger Creek in Calhoun County, Michigan. It was built in 1980, so it is 45 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 184 vehicles a day, roughly 5% of them trucks, projected to reach 343 by 2024. The structure is 48 ft (14.6 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBaseline Road
CrossesWanondoger Creek
Location7 MI NE of Battle Creek
RouteCounty Highway 0
Coordinates42.42097, -85.12641
Functional classRural Local

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating47.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20 + Mod
Structure length48 ft (14.6 m)
Longest span22 ft (6.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic184 (1994)
Projected traffic343 by 2024
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Baseline Road over Wanondoger Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Baseline Road over Wanondoger Creek 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 September 2024.

How much traffic does Baseline Road over Wanondoger Creek carry?

About 184 vehicles per day (1994 count), of which roughly 5% are trucks.

How long is Baseline Road over Wanondoger Creek?

The structure is 48 ft (14.6 m) long with a longest span of 22 ft (6.7 m) and a deck 32 ft wide.

Who owns Baseline Road over Wanondoger Creek?

It is owned by the County Highway Agency.