US Bridges

FAS 2860 over Yankton Slough

Good

Pierce County, Nebraska · Njct US81/N98 3N 2.2E · Structure no. C007012420

Built
2006
19 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
72 ft
3 main spans
Daily traffic
95
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 2860 over Yankton Slough is a concrete continuous slab carrying FAS 2860 over Yankton Slough in Pierce County, Nebraska. It was built in 2006, so it is 19 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 95 vehicles a day, projected to reach 75 by 2033. The structure is 72 ft (21.9 m) long and 31 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesFAS 2860
CrossesYankton Slough
LocationNjct US81/N98 3N 2.2E
RouteCounty Highway 2860
Coordinates42.279, -97.4705
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span28 ft (8.5 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2011)
Projected traffic75 by 2033
Trucks0%
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 FAS 2860 over Yankton Slough built?

It was built in 2006, making it 19 years old in 2025.

What condition is FAS 2860 over Yankton 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 September 2024.

How much traffic does FAS 2860 over Yankton Slough carry?

About 95 vehicles per day (2011 count).

How long is FAS 2860 over Yankton Slough?

The structure is 72 ft (21.9 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.

Who owns FAS 2860 over Yankton Slough?

It is owned by the County Highway Agency.