US Bridges

554th Ave over Yankton Slough

Good

Pierce County, Nebraska · 4S 1E of Mclean · Structure no. C007004130

Built
2021
4 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
61 ft
2 main spans
Daily traffic
25
2003 count
Owner
County
County Highway Agency

About this bridge

554th Ave over Yankton Slough is a concrete slab carrying 554th Ave over Yankton Slough in Pierce County, Nebraska. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 42 by 2038. The structure is 61 ft (18.7 m) long and 29 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
Carries554th Ave
CrossesYankton Slough
Location4S 1E of Mclean
RouteCounty Highway 41
CountyPierce County
StateNebraska
Coordinates42.3204, -97.4457
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior 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 rating51.8 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length61 ft (18.7 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2003)
Projected traffic42 by 2038
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 554th Ave over Yankton Slough built?

It was built in 2021, making it 4 years old in 2025.

What condition is 554th Ave 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 August 2024.

How much traffic does 554th Ave over Yankton Slough carry?

About 25 vehicles per day (2003 count).

How long is 554th Ave over Yankton Slough?

The structure is 61 ft (18.7 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns 554th Ave over Yankton Slough?

It is owned by the County Highway Agency.