US Bridges

FM over Branch Yellow River

Good

Allamakee County, Iowa · 096042405 · Structure no. 000000000061181

Built
2001
24 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
288 ft
3 main spans
Daily traffic
128
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Branch Yellow River is a prestressed concrete stringer/multi-beam or girder carrying FM over Branch Yellow River in Allamakee County, Iowa. It was built in 2001, so it is 24 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 128 vehicles a day, projected to reach 128 by 2044. The structure is 288 ft (87.8 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM
CrossesBranch Yellow River
Location096042405
RouteCounty Highway 0
StateIowa
Coordinates43.11126, -91.26519
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length288 ft (87.8 m)
Longest span107 ft (32.6 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic128 (2022)
Projected traffic128 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 FM over Branch Yellow River built?

It was built in 2001, making it 24 years old in 2025.

What condition is FM over Branch Yellow River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does FM over Branch Yellow River carry?

About 128 vehicles per day (2022 count).

How long is FM over Branch Yellow River?

The structure is 288 ft (87.8 m) long with a longest span of 107 ft (32.6 m) and a deck 33 ft wide.

Who owns FM over Branch Yellow River?

It is owned by the County Highway Agency.