US Bridges

110th St. over Prairie Creek

Fair

Clinton County, Iowa · 083E20901 · Structure no. 000000000124691

Built
1975
50 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
90
2022 count
Owner
County
County Highway Agency

About this bridge

110th St. over Prairie Creek is a concrete continuous slab carrying 110th St. over Prairie Creek in Clinton County, Iowa. It was built in 1975, so it is 50 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 90 vehicles a day, projected to reach 90 by 2043. The structure is 93 ft (28.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries110th St.
CrossesPrairie Creek
Location083E20901
RouteCounty Highway 0
CountyClinton County
StateIowa
Coordinates42.01843, -90.7422
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating38.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic90 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 110th St. over Prairie Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is 110th St. over Prairie 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 December 2023.

How much traffic does 110th St. over Prairie Creek carry?

About 90 vehicles per day (2022 count).

How long is 110th St. over Prairie Creek?

The structure is 93 ft (28.3 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns 110th St. over Prairie Creek?

It is owned by the County Highway Agency.