US Bridges

Ia 27 over Br Dry Run Creek

Good

Black Hawk County, Iowa · 2.9 Mi. S Jct. U.S. 218 · Structure no. 000000000601255

Built
1993
32 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
20,900
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 27 over Br Dry Run Creek is a concrete continuous culvert carrying Ia 27 over Br Dry Run Creek in Black Hawk County, Iowa. It was built in 1993, so it is 32 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 20,900 vehicles a day, roughly 6% of them trucks, projected to reach 20,900 by 2043. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIa 27
CrossesBr Dry Run Creek
Location2.9 Mi. S Jct. U.S. 218
RouteState Highway 27
StateIowa
Coordinates42.5011, -92.45223
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,900 (2022)
Projected traffic20,900 by 2043
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 27 over Br Dry Run Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Ia 27 over Br Dry Run 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 2023.

How much traffic does Ia 27 over Br Dry Run Creek carry?

About 20,900 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Ia 27 over Br Dry Run Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Ia 27 over Br Dry Run Creek?

It is owned by the State Highway Agency.