US Bridges

Local over Resv. Overflow

Good

Appanoose County, Iowa · 068180104 · Structure no. 000000000064516

Built
1991
34 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
91
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Resv. Overflow is a concrete continuous culvert carrying Local over Resv. Overflow in Appanoose County, Iowa. It was built in 1991, so it is 34 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 91 vehicles a day, projected to reach 91 by 2043. The structure is 25 ft (7.6 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal
CrossesResv. Overflow
Location068180104
RouteCounty Highway 0
StateIowa
Coordinates40.71179, -92.88605
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 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2022)
Projected traffic91 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Local over Resv. Overflow built?

It was built in 1991, making it 34 years old in 2025.

What condition is Local over Resv. Overflow 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 Local over Resv. Overflow carry?

About 91 vehicles per day (2022 count).

How long is Local over Resv. Overflow?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.

Who owns Local over Resv. Overflow?

It is owned by the County Highway Agency.