US Bridges

E 18th ST over Dry Run Creek

Fair

Black Hawk County, Iowa · 000000000 · Structure no. 000000000001101

Built
1992
33 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
4,156
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

E 18th ST over Dry Run Creek is a concrete continuous slab carrying E 18th ST over Dry Run Creek in Black Hawk County, Iowa. It was built in 1992, so it is 33 years old, younger 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 4,156 vehicles a day, roughly 3% of them trucks, projected to reach 4,156 by 2044. The structure is 133 ft (40.5 m) long and 111 ft wide.

CarriesE 18th ST
CrossesDry Run Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates42.52191, -92.44337
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.4 US tons
Inventory rating51.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span51 ft (15.5 m)
Deck width111 ft (33.8 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,156 (2022)
Projected traffic4,156 by 2044
Trucks3%
Lanes on structure5
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 E 18th ST over Dry Run Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is E 18th ST over 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 E 18th ST over Dry Run Creek carry?

About 4,156 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is E 18th ST over Dry Run Creek?

The structure is 133 ft (40.5 m) long with a longest span of 51 ft (15.5 m) and a deck 111 ft wide.

Who owns E 18th ST over Dry Run Creek?

It is owned by the City or Municipal Highway Agency.