US Bridges

Main ST over Univ Br Dry Run Creek

Fair

Black Hawk County, Iowa · At 18th ST · Structure no. 000000000505115

Built
1962
63 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
9,191
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main ST over Univ Br Dry Run Creek is a concrete culvert carrying Main ST over Univ Br Dry Run Creek in Black Hawk County, Iowa. It was built in 1962, so it is 63 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,191 vehicles a day, projected to reach 9,191 by 2044. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMain ST
CrossesUniv Br Dry Run Creek
LocationAt 18th ST
RouteCity Street 0
CountyBlack Hawk County
StateIowa
Coordinates42.52206, -92.44571
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length23 ft (6.9 m)
Longest span23 ft (6.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,191 (2022)
Projected traffic9,191 by 2044
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 Main ST over Univ Br Dry Run Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Main ST over Univ Br Dry Run Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does Main ST over Univ Br Dry Run Creek carry?

About 9,191 vehicles per day (2022 count).

How long is Main ST over Univ Br Dry Run Creek?

The structure is 23 ft (6.9 m) long with a longest span of 23 ft (6.9 m).

Who owns Main ST over Univ Br Dry Run Creek?

It is owned by the City or Municipal Highway Agency.