US Bridges

FM over Br Little Bear Creek

Poor

Benton County, Iowa · 083101302 · Structure no. 000000000071101

Built
1929
96 years old, rebuilt 1958
Condition
Poor
inspected April 2023
Type
Culvert
Concrete Continuous
Length
38 ft
4 main spans
Daily traffic
422
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Br Little Bear Creek is a concrete continuous culvert carrying FM over Br Little Bear Creek in Benton County, Iowa. It was built in 1929 and reconstructed in 1958, so it is 96 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 3 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 422 vehicles a day, roughly 17% of them trucks, projected to reach 422 by 2043. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFM
CrossesBr Little Bear Creek
Location083101302
RouteCounty Highway 0
StateIowa
Coordinates42.00669, -91.9705
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.6 US tons
Inventory rating18.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadH 15
Structure length38 ft (11.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic422 (2022)
Projected traffic422 by 2043
Trucks17%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Br Little Bear Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1958.

What condition is FM over Br 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 April 2023.

How much traffic does FM over Br Little Bear Creek carry?

About 422 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is FM over Br Little Bear Creek?

The structure is 38 ft (11.6 m) long with a longest span of 8 ft (2.4 m).

Who owns FM over Br Little Bear Creek?

It is owned by the County Highway Agency.