US Bridges

160 280th ST over Plum Creek

Fair

Hancock County, Iowa · 096260601 · Structure no. 000000000173981

Built
1977
48 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
11
2021 count
Owner
County
County Highway Agency

About this bridge

160 280th ST over Plum Creek is a concrete continuous slab carrying 160 280th ST over Plum Creek in Hancock 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 11 vehicles a day, projected to reach 11 by 2043. The structure is 67 ft (20.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries160 280th ST
CrossesPlum Creek
Location096260601
RouteCounty Highway 0
CountyHancock County
StateIowa
Coordinates43.1693, -93.95795
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 inspectionApril 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length67 ft (20.4 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2021)
Projected traffic11 by 2043
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 160 280th ST over Plum Creek built?

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

What condition is 160 280th ST over Plum 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 April 2023.

How much traffic does 160 280th ST over Plum Creek carry?

About 11 vehicles per day (2021 count).

How long is 160 280th ST over Plum Creek?

The structure is 67 ft (20.4 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns 160 280th ST over Plum Creek?

It is owned by the County Highway Agency.