US Bridges

FM over Branch of Richland Creek

Fair

Tama County, Iowa · 082142004 · Structure no. 000000000316791

Built
1994
31 years old
Condition
Fair
inspected September 2022
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
265
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Branch of Richland Creek is a concrete continuous culvert carrying FM over Branch of Richland Creek in Tama County, Iowa. It was built in 1994, so it is 31 years old, younger than the Iowa average of 45.5 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 265 vehicles a day, roughly 12% of them trucks, projected to reach 265 by 2043. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesFM
CrossesBranch of Richland Creek
Location082142004
RouteCounty Highway 0
CountyTama County
StateIowa
Coordinates41.90434, -92.50327
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length20 ft (6.1 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 traffic265 (2022)
Projected traffic265 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Branch of Richland Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is FM over Branch of Richland 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 2022.

How much traffic does FM over Branch of Richland Creek carry?

About 265 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is FM over Branch of Richland Creek?

The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m).

Who owns FM over Branch of Richland Creek?

It is owned by the County Highway Agency.