US Bridges

Pennfield Road over Wanondager Creek

FairPosted for load

Calhoun County, Michigan · Pennfield Twp Sec 21 · Structure no. 000000000001311

Built
1962
63 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
3,892
1995 count
Owner
County
County Highway Agency

About this bridge

Pennfield Road over Wanondager Creek is a prestressed concrete box beam or girders - multiple carrying Pennfield Road over Wanondager Creek in Calhoun County, Michigan. It was built in 1962, so it is 63 years old, older 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. Its operating status is: posted for load restriction.

It carries about 3,892 vehicles a day, roughly 8% of them trucks, projected to reach 6,965 by 2023. The structure is 80 ft (24.3 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesPennfield Road
CrossesWanondager Creek
LocationPennfield Twp Sec 21
RouteCounty Highway 2011
CountyCalhoun County
StateMichigan
Coordinates42.37, -85.12886
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length80 ft (24.3 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,892 (1995)
Projected traffic6,965 by 2023
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Pennfield Road over Wanondager Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Pennfield Road over Wanondager 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 2023.

How much traffic does Pennfield Road over Wanondager Creek carry?

About 3,892 vehicles per day (1995 count), of which roughly 8% are trucks.

How long is Pennfield Road over Wanondager Creek?

The structure is 80 ft (24.3 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Pennfield Road over Wanondager Creek?

It is owned by the County Highway Agency.