US Bridges

Olive ST over Uni Br Dry Run Creek

Good

Black Hawk County, Iowa · Btwn W 20th and W 21st · Structure no. 000000000001131

Built
2023
2 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
457
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Olive ST over Uni Br Dry Run Creek is a concrete culvert carrying Olive ST over Uni Br Dry Run Creek in Black Hawk County, Iowa. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 457 vehicles a day, projected to reach 457 by 2044. The structure is 30 ft (9.1 m) long.

CarriesOlive ST
CrossesUni Br Dry Run Creek
LocationBtwn W 20th and W 21st
RouteCity Street 0
StateIowa
Coordinates42.51925, -92.45471
Functional classUrban 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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic457 (2022)
Projected traffic457 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Olive ST over Uni Br Dry Run Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Olive ST over Uni 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 March 2024.

How much traffic does Olive ST over Uni Br Dry Run Creek carry?

About 457 vehicles per day (2022 count).

How long is Olive ST over Uni Br Dry Run Creek?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m).

Who owns Olive ST over Uni Br Dry Run Creek?

It is owned by the City or Municipal Highway Agency.