US Bridges

Dubuque Road West over Elk Run Creek*

FairPosted for load

Black Hawk County, Iowa · 000000000 · Structure no. 000000000014650

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
184 ft
3 main spans
Daily traffic
2,423
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dubuque Road West over Elk Run Creek* is a concrete continuous tee beam carrying Dubuque Road West over Elk Run Creek* in Black Hawk County, Iowa. It was built in 1958, so it is 67 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,423 vehicles a day, projected to reach 2,423 by 2044. The structure is 184 ft (56.1 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDubuque Road West
CrossesElk Run Creek*
Location000000000
RouteCity Street 0
StateIowa
Coordinates42.47283, -92.26146
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.6 US tons
Inventory rating21.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length184 ft (56.1 m)
Longest span73 ft (22.3 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,423 (2022)
Projected traffic2,423 by 2044
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$441,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dubuque Road West over Elk Run Creek* built?

It was built in 1958, making it 67 years old in 2025.

What condition is Dubuque Road West over Elk 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 August 2024.

How much traffic does Dubuque Road West over Elk Run Creek* carry?

About 2,423 vehicles per day (2022 count).

How long is Dubuque Road West over Elk Run Creek*?

The structure is 184 ft (56.1 m) long with a longest span of 73 ft (22.3 m) and a deck 34 ft wide.

Who owns Dubuque Road West over Elk Run Creek*?

It is owned by the City or Municipal Highway Agency.