US Bridges

FM over Hog Branch

Good

Taylor County, Iowa · 069321001 · Structure no. 000000000322341

Built
1988
37 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
499
2021 count
Owner
County
County Highway Agency

About this bridge

FM over Hog Branch is a concrete continuous culvert carrying FM over Hog Branch in Taylor 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 499 vehicles a day, roughly 16% of them trucks, projected to reach 499 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM
CrossesHog Branch
Location069321001
RouteCounty Highway 0
StateIowa
Coordinates40.79818, -94.52829
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum 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 length35 ft (10.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic499 (2021)
Projected traffic499 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Hog Branch built?

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

What condition is FM over Hog Branch 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 2023.

How much traffic does FM over Hog Branch carry?

About 499 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is FM over Hog Branch?

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m).

Who owns FM over Hog Branch?

It is owned by the County Highway Agency.