US Bridges

NB-US81 over Tracy Creek

Fair

Platte County, Nebraska · 8S Madison · Structure no. S081 13428R

Built
1997
28 years old
Condition
Fair
inspected June 2021
Type
Slab
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
8,310
2018 count
Owner
State
State Highway Agency

About this bridge

NB-US81 over Tracy Creek is a concrete continuous slab carrying NB-US81 over Tracy Creek in Platte County, Nebraska. It was built in 1997, so it is 28 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 8,310 vehicles a day, roughly 19% of them trucks, projected to reach 12,881 by 2038. The structure is 79 ft (24.1 m) long and 40 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesNB-US81
CrossesTracy Creek
Location8S Madison
RouteU.S. Route 81
CountyPlatte County
StateNebraska
Coordinates41.7148, -97.4646
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 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 rating91.5 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length79 ft (24.1 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,310 (2018)
Projected traffic12,881 by 2038
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NB-US81 over Tracy Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is NB-US81 over Tracy 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 June 2021.

How much traffic does NB-US81 over Tracy Creek carry?

About 8,310 vehicles per day (2018 count), of which roughly 19% are trucks.

How long is NB-US81 over Tracy Creek?

The structure is 79 ft (24.1 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns NB-US81 over Tracy Creek?

It is owned by the State Highway Agency.