US Bridges

N91 over Tracy Creek Trib

Good

Platte County, Nebraska · 2E Humphrey · Structure no. S091 15478

Built
2016
9 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete
Length
65 ft
4 main spans
Daily traffic
1,825
2018 count
Owner
State
State Highway Agency

About this bridge

N91 over Tracy Creek Trib is a concrete culvert carrying N91 over Tracy Creek Trib in Platte County, Nebraska. It was built in 2016, so it is 9 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 1,825 vehicles a day, roughly 18% of them trucks, projected to reach 2,555 by 2038. The structure is 65 ft (19.9 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN91
CrossesTracy Creek Trib
Location2E Humphrey
RouteState Highway 91
Coordinates41.7097, -97.4459
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.3 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length65 ft (19.9 m)
Longest span16 ft (4.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,825 (2018)
Projected traffic2,555 by 2038
Trucks18%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N91 over Tracy Creek Trib built?

It was built in 2016, making it 9 years old in 2025.

What condition is N91 over Tracy Creek Trib 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 2021.

How much traffic does N91 over Tracy Creek Trib carry?

About 1,825 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is N91 over Tracy Creek Trib?

The structure is 65 ft (19.9 m) long with a longest span of 16 ft (4.8 m).

Who owns N91 over Tracy Creek Trib?

It is owned by the State Highway Agency.