US Bridges

Loc 180th ST over Four Mile Creek

Fair

Kossuth County, Iowa · 095292901 · Structure no. 000000000214851

Built
1977
48 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
62
2022 count
Owner
County
County Highway Agency

About this bridge

Loc 180th ST over Four Mile Creek is a concrete continuous slab carrying Loc 180th ST over Four Mile Creek in Kossuth County, Iowa. It was built in 1977, so it is 48 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 5 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 62 vehicles a day, projected to reach 62 by 2043. The structure is 77 ft (23.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLoc 180th ST
CrossesFour Mile Creek
Location095292901
RouteCounty Highway 0
StateIowa
Coordinates43.02389, -94.28798
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.8 US tons
Inventory rating24.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length77 ft (23.4 m)
Longest span29 ft (8.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2022)
Projected traffic62 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Loc 180th ST over Four Mile Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Loc 180th ST over Four Mile 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 May 2023.

How much traffic does Loc 180th ST over Four Mile Creek carry?

About 62 vehicles per day (2022 count).

How long is Loc 180th ST over Four Mile Creek?

The structure is 77 ft (23.4 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Loc 180th ST over Four Mile Creek?

It is owned by the County Highway Agency.