US Bridges

W 27th ST over Trib to Beaver Creek

Good

Black Hawk County, Iowa · 89-14-19-01-10 · Structure no. 000000000075911

Built
1994
31 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
854
2022 count
Owner
County
County Highway Agency

About this bridge

W 27th ST over Trib to Beaver Creek is a concrete continuous culvert carrying W 27th ST over Trib to Beaver Creek in Black Hawk County, Iowa. It was built in 1994, so it is 31 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 854 vehicles a day, roughly 6% of them trucks, projected to reach 854 by 2043. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW 27th ST
CrossesTrib to Beaver Creek
Location89-14-19-01-10
RouteCounty Highway 0
StateIowa
Coordinates42.51333, -92.53727
Functional classRural Major 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 48 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 rating49.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 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 traffic854 (2022)
Projected traffic854 by 2043
Trucks6%
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 W 27th ST over Trib to Beaver Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is W 27th ST over Trib to Beaver 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 December 2022.

How much traffic does W 27th ST over Trib to Beaver Creek carry?

About 854 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is W 27th ST over Trib to Beaver Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns W 27th ST over Trib to Beaver Creek?

It is owned by the County Highway Agency.