US Bridges

280th ST over Snake Creek

Good

Greene County, Iowa · 082290201 · Structure no. 000000000161571

Built
2024
1 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
41 ft
1 main span
Daily traffic
42
2023 count
Owner
County
County Highway Agency

About this bridge

280th ST over Snake Creek is a concrete slab carrying 280th ST over Snake Creek in Greene County, Iowa. It was built in 2024, so it is 1 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 42 vehicles a day, roughly 21% of them trucks, projected to reach 42 by 2044. The structure is 41 ft (12.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries280th ST
CrossesSnake Creek
Location082290201
RouteCounty Highway 0
StateIowa
Coordinates41.95021, -94.20294
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length41 ft (12.4 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2023)
Projected traffic42 by 2044
Trucks21%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 280th ST over Snake Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is 280th ST over Snake 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 July 2024.

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

About 42 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is 280th ST over Snake Creek?

The structure is 41 ft (12.4 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns 280th ST over Snake Creek?

It is owned by the County Highway Agency.