US Bridges

US 18 WB over Little Lime Creek

Fair

Cerro Gordo County, Iowa · 1.6 Mi. E of S.R. S56 · Structure no. 000000000606465

Built
1997
28 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
5,500
2022 count
Owner
State
State Highway Agency

About this bridge

US 18 WB over Little Lime Creek is a concrete continuous slab carrying US 18 WB over Little Lime Creek in Cerro Gordo County, Iowa. It was built in 1997, so it is 28 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 5,500 vehicles a day, roughly 27% of them trucks, projected to reach 5,500 by 2044. The structure is 112 ft (34.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 18 WB
CrossesLittle Lime Creek
Location1.6 Mi. E of S.R. S56
RouteU.S. Route 18
StateIowa
Coordinates43.11933, -93.09236
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating61 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span43 ft (13.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2022)
Projected traffic5,500 by 2044
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 18 WB over Little Lime Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is US 18 WB over Little Lime 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 US 18 WB over Little Lime Creek carry?

About 5,500 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is US 18 WB over Little Lime Creek?

The structure is 112 ft (34.1 m) long with a longest span of 43 ft (13.1 m) and a deck 43 ft wide.

Who owns US 18 WB over Little Lime Creek?

It is owned by the State Highway Agency.