US Bridges

FM over Little Bear Creek

Poor

Poweshiek County, Iowa · 080152002 · Structure no. 000000000293711

Built
1977
48 years old
Condition
Poor
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
103 ft
3 main spans
Daily traffic
770
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Little Bear Creek is a prestressed concrete tee beam carrying FM over Little Bear Creek in Poweshiek County, Iowa. It was built in 1977, so it is 48 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 770 vehicles a day, projected to reach 770 by 2043. The structure is 103 ft (31.4 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM
CrossesLittle Bear Creek
Location080152002
RouteCounty Highway 0
StateIowa
Coordinates41.72594, -92.62946
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.8 US tons
Inventory rating47.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span36 ft (11 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2022)
Projected traffic770 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Little Bear Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is FM over Little Bear Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does FM over Little Bear Creek carry?

About 770 vehicles per day (2022 count).

How long is FM over Little Bear Creek?

The structure is 103 ft (31.4 m) long with a longest span of 36 ft (11 m) and a deck 32 ft wide.

Who owns FM over Little Bear Creek?

It is owned by the County Highway Agency.