US Bridges

413th ST over Buck Branch

Good

Appanoose County, Iowa · 070181106 · Structure no. 000000000066151

Built
1994
31 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

413th ST over Buck Branch is a concrete continuous culvert carrying 413th ST over Buck Branch in Appanoose 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 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 73 vehicles a day, projected to reach 73 by 2043. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
Carries413th ST
CrossesBuck Branch
Location070181106
RouteCounty Highway 0
CountyAppanoose County
StateIowa
Coordinates40.88126, -92.89031
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic73 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 413th ST over Buck Branch built?

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

What condition is 413th ST over Buck 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 October 2022.

How much traffic does 413th ST over Buck Branch carry?

About 73 vehicles per day (2022 count).

How long is 413th ST over Buck Branch?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns 413th ST over Buck Branch?

It is owned by the County Highway Agency.