US Bridges

Local over Branch of Raven Creek

Good

Tama County, Iowa · 082160702 · Structure no. 000000000317281

Built
2010
15 years old
Condition
Good
inspected October 2024
Type
Slab
Steel
Length
70 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Branch of Raven Creek is a steel slab carrying Local over Branch of Raven Creek in Tama County, Iowa. It was built in 2010, so it is 15 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 26 vehicles a day, projected to reach 26 by 2044. The structure is 70 ft (21.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal
CrossesBranch of Raven Creek
Location082160702
RouteCounty Highway 0
CountyTama County
StateIowa
Coordinates41.92299, -92.7657
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating57.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeSlab
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Local over Branch of Raven Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Local over Branch of Raven Creek 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 2024.

How much traffic does Local over Branch of Raven Creek carry?

About 26 vehicles per day (2022 count).

How long is Local over Branch of Raven Creek?

The structure is 70 ft (21.3 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns Local over Branch of Raven Creek?

It is owned by the County Highway Agency.