US Bridges

S71A Humphrey Spur over Tracy Creek

Good

Platte County, Nebraska · 0E Humphrey · Structure no. SS71A00099

Built
1998
27 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
1,400
2018 count
Owner
State
State Highway Agency

About this bridge

S71A Humphrey Spur over Tracy Creek is a concrete continuous slab carrying S71A Humphrey Spur over Tracy Creek in Platte County, Nebraska. It was built in 1998, so it is 27 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,400 vehicles a day, roughly 9% of them trucks, projected to reach 2,170 by 2038. The structure is 77 ft (23.5 m) long and 42 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesS71A Humphrey Spur
CrossesTracy Creek
Location0E Humphrey
RouteState Highway 0S71A
Coordinates41.6919, -97.4815
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.9 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2018)
Projected traffic2,170 by 2038
Trucks9%
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

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 S71A Humphrey Spur over Tracy Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is S71A Humphrey Spur over Tracy 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 June 2023.

How much traffic does S71A Humphrey Spur over Tracy Creek carry?

About 1,400 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is S71A Humphrey Spur over Tracy Creek?

The structure is 77 ft (23.5 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns S71A Humphrey Spur over Tracy Creek?

It is owned by the State Highway Agency.