US Bridges

260th Ave over Creek

Good

Clinton County, Iowa · 082E31104 · Structure no. 000000000123471

Built
2019
6 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
135
2022 count
Owner
County
County Highway Agency

About this bridge

260th Ave over Creek is a steel stringer/multi-beam or girder carrying 260th Ave over Creek in Clinton County, Iowa. It was built in 2019, so it is 6 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 135 vehicles a day, projected to reach 135 by 2045. The structure is 37 ft (11.3 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries260th Ave
CrossesCreek
Location082E31104
RouteCounty Highway 0
StateIowa
Coordinates41.92345, -90.58712
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating106 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2022)
Projected traffic135 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
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$120 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 260th Ave over Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is 260th Ave over 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 February 2025.

How much traffic does 260th Ave over Creek carry?

About 135 vehicles per day (2022 count).

How long is 260th Ave over Creek?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns 260th Ave over Creek?

It is owned by the County Highway Agency.