US Bridges

FM over Brush Creek

Poor

Jefferson County, Iowa · 072091505 · Structure no. 000000000201251

Built
1988
37 years old
Condition
Poor
inspected February 2024
Type
Slab
Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Brush Creek is a concrete continuous slab carrying FM over Brush Creek in Jefferson County, Iowa. It was built in 1988, so it is 37 years old, younger 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 200 vehicles a day, roughly 16% of them trucks, projected to reach 200 by 2044. The structure is 83 ft (25.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM
CrossesBrush Creek
Location072091505
RouteCounty Highway 0
StateIowa
Coordinates41.04535, -91.87273
Functional classRural Major 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment7: Better than present minimum criteria
Operating rating81.7 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span32 ft (9.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic200 by 2044
Trucks16%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Brush Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is FM over Brush 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 February 2024.

How much traffic does FM over Brush Creek carry?

About 200 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is FM over Brush Creek?

The structure is 83 ft (25.3 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.

Who owns FM over Brush Creek?

It is owned by the County Highway Agency.