US Bridges

Iowa Ave over Elk Creek

Good

Clayton County, Iowa · T91 R4 S11 · Structure no. 000000000118381

Built
2014
11 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
181 ft
4 main spans
Daily traffic
79
2022 count
Owner
County
County Highway Agency

About this bridge

Iowa Ave over Elk Creek is a concrete continuous slab carrying Iowa Ave over Elk Creek in Clayton County, Iowa. It was built in 2014, so it is 11 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 79 vehicles a day, projected to reach 79 by 2044. The structure is 181 ft (55.2 m) long and 33 ft wide.

CarriesIowa Ave
CrossesElk Creek
LocationT91 R4 S11
RouteCounty Highway 0
StateIowa
Coordinates42.70545, -91.28904
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length181 ft (55.2 m)
Longest span51 ft (15.5 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2022)
Projected traffic79 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Iowa Ave over Elk Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Iowa Ave over Elk 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 November 2024.

How much traffic does Iowa Ave over Elk Creek carry?

About 79 vehicles per day (2022 count).

How long is Iowa Ave over Elk Creek?

The structure is 181 ft (55.2 m) long with a longest span of 51 ft (15.5 m) and a deck 33 ft wide.

Who owns Iowa Ave over Elk Creek?

It is owned by the County Highway Agency.