US Bridges

Local over Unnamed Stream

GoodPosted for load

Appanoose County, Iowa · 070162204 · Structure no. 000000000065862

Built
2008
17 years old
Condition
Good
inspected October 2022
Type
Slab
Steel
Length
59 ft
3 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Unnamed Stream is a steel slab carrying Local over Unnamed Stream in Appanoose County, Iowa. It was built in 2008, so it is 17 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. Its operating status is: posted for other load-capacity restriction.

It carries about 11 vehicles a day, projected to reach 11 by 2043. The structure is 59 ft (18 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLocal
CrossesUnnamed Stream
Location070162204
RouteCounty Highway 0
StateIowa
Coordinates40.84708, -92.69609
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.7 US tons
Inventory rating25.6 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length59 ft (18 m)
Longest span30 ft (9.1 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Unnamed Stream built?

It was built in 2008, making it 17 years old in 2025.

What condition is Local over Unnamed Stream 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 Unnamed Stream carry?

About 11 vehicles per day (2022 count).

How long is Local over Unnamed Stream?

The structure is 59 ft (18 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.

Who owns Local over Unnamed Stream?

It is owned by the County Highway Agency.