US Bridges

260th ST over Hog Creek

Fair

Harrison County, Iowa · 079432205 · Structure no. 000000000178180

Built
1950
75 years old
Condition
Fair
inspected December 2022
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
417
2022 count
Owner
County
County Highway Agency

About this bridge

260th ST over Hog Creek is a concrete continuous culvert carrying 260th ST over Hog Creek in Harrison County, Iowa. It was built in 1950, so it is 75 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 417 vehicles a day, roughly 14% of them trucks, projected to reach 417 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries260th ST
CrossesHog Creek
Location079432205
RouteCounty Highway 0
CountyHarrison County
StateIowa
Coordinates41.63506, -95.82984
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2022
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 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 traffic417 (2022)
Projected traffic417 by 2043
Trucks14%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 260th ST over Hog Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is 260th ST over Hog 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 2022.

How much traffic does 260th ST over Hog Creek carry?

About 417 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is 260th ST over Hog Creek?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m).

Who owns 260th ST over Hog Creek?

It is owned by the County Highway Agency.