110th ST over Prairie Creek

Fair

Lee County, Iowa · 069050505 · Structure no. 000000000219491

Built: 1976; 49 years old
Condition: Fair; inspected October 2024
Type: Culvert; Concrete Continuous
Length: 28 ft; 2 main spans
Daily traffic: 30; 2022 count
Owner: County; County Highway Agency

About this bridge

110th ST over Prairie Creek is a concrete continuous culvert carrying 110th ST over Prairie Creek in Lee County, Iowa. It was built in 1976, so it is 49 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 30 vehicles a day, projected to reach 30 by 2044. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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Carries110th ST

CrossesPrairie Creek

Location069050505

RouteCounty Highway 0

CountyLee County

StateIowa

Coordinates40.80028, -91.46815

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.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionOctober 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is

Operating rating40.8 US tons

Inventory rating24.4 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans2

Design loadUnknown

Structure length28 ft (8.5 m)

Longest span12 ft (3.7 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)

Projected traffic30 by 2044

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed6.8 mi (11 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 1976, making it 49 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 October 2024.

How much traffic does 110th ST over Prairie Creek carry?

About 30 vehicles per day (2022 count).

How long is 110th ST over Prairie Creek?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m).

Who owns 110th ST over Prairie Creek?

It is owned by the County Highway Agency.