US Bridges

D41 280th ST over Creek

Good

Hamilton County, Iowa · 087250203 · Structure no. 000000000171401

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
234
2021 count
Owner
County
County Highway Agency

About this bridge

D41 280th ST over Creek is a concrete culvert carrying D41 280th ST over Creek in Hamilton County, Iowa. It was built in 2015, so it is 10 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 234 vehicles a day, roughly 18% of them trucks, projected to reach 234 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesD41 280th ST
CrossesCreek
Location087250203
RouteCounty Highway 0
StateIowa
Coordinates42.38341, -93.72649
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic234 (2021)
Projected traffic234 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$30,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was D41 280th ST over Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is D41 280th ST over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does D41 280th ST over Creek carry?

About 234 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is D41 280th ST over Creek?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m).

Who owns D41 280th ST over Creek?

It is owned by the County Highway Agency.