US Bridges

Wagner RD over Trib to Cedar River

Good

Black Hawk County, Iowa · 90-13-22-02-10 · Structure no. 000000000076631

Built
1974
51 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
933
2022 count
Owner
County
County Highway Agency

About this bridge

Wagner RD over Trib to Cedar River is a concrete continuous culvert carrying Wagner RD over Trib to Cedar River in Black Hawk County, Iowa. It was built in 1974, so it is 51 years old, older 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 933 vehicles a day, projected to reach 933 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWagner RD
CrossesTrib to Cedar River
Location90-13-22-02-10
RouteCounty Highway 0
StateIowa
Coordinates42.58713, -92.37712
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.6 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 width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic933 (2022)
Projected traffic933 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wagner RD over Trib to Cedar River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Wagner RD over Trib to Cedar River 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 December 2022.

How much traffic does Wagner RD over Trib to Cedar River carry?

About 933 vehicles per day (2022 count).

How long is Wagner RD over Trib to Cedar River?

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

Who owns Wagner RD over Trib to Cedar River?

It is owned by the County Highway Agency.