US Bridges

E Bennington RD over Trib to Crane Creek

Good

Black Hawk County, Iowa · 90-12-24-01-10 · Structure no. 000000000076361

Built
1984
41 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

E Bennington RD over Trib to Crane Creek is a concrete continuous culvert carrying E Bennington RD over Trib to Crane Creek in Black Hawk County, Iowa. It was built in 1984, so it is 41 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE Bennington RD
CrossesTrib to Crane Creek
Location90-12-24-01-10
RouteCounty Highway 0
StateIowa
Coordinates42.59938, -92.20323
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating30.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 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 traffic20 (2022)
Projected traffic20 by 2044
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 E Bennington RD over Trib to Crane Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is E Bennington RD over Trib to Crane 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 November 2024.

How much traffic does E Bennington RD over Trib to Crane Creek carry?

About 20 vehicles per day (2022 count).

How long is E Bennington RD over Trib to Crane Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns E Bennington RD over Trib to Crane Creek?

It is owned by the County Highway Agency.