US Bridges

288th ST over Big Slough

Good

Douglas County, Nebraska · 1W 3N Valley · Structure no. C002800605

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
100
2003 count
Owner
County
County Highway Agency

About this bridge

288th ST over Big Slough is a prestressed concrete stringer/multi-beam or girder carrying 288th ST over Big Slough in Douglas County, Nebraska. It was built in 2022, so it is 3 years old, younger than the Nebraska average of 47.1 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 170 by 2033. The structure is 48 ft (14.6 m) long and 30 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Carries288th ST
CrossesBig Slough
Location1W 3N Valley
RouteCounty Highway 6
Coordinates41.3665, -96.368
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating47.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length48 ft (14.6 m)
Longest span46 ft (14 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2003)
Projected traffic170 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 288th ST over Big Slough built?

It was built in 2022, making it 3 years old in 2025.

What condition is 288th ST over Big Slough 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 October 2024.

How much traffic does 288th ST over Big Slough carry?

About 100 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is 288th ST over Big Slough?

The structure is 48 ft (14.6 m) long with a longest span of 46 ft (14 m) and a deck 30 ft wide.

Who owns 288th ST over Big Slough?

It is owned by the County Highway Agency.