US Bridges

N91 over W Fk Maple Crk Overflow

Good

Colfax County, Nebraska · JCT N91/N15 2W · Structure no. S091 17310

Built
1991
34 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
1,835
2018 count
Owner
State
State Highway Agency

About this bridge

N91 over W Fk Maple Crk Overflow is a concrete culvert carrying N91 over W Fk Maple Crk Overflow in Colfax County, Nebraska. It was built in 1991, so it is 34 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 1,835 vehicles a day, roughly 17% of them trucks, projected to reach 2,844 by 2038. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN91
CrossesW Fk Maple Crk Overflow
LocationJCT N91/N15 2W
RouteState Highway 91
Coordinates41.7135, -97.0944
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.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,835 (2018)
Projected traffic2,844 by 2038
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 N91 over W Fk Maple Crk Overflow built?

It was built in 1991, making it 34 years old in 2025.

What condition is N91 over W Fk Maple Crk Overflow 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 N91 over W Fk Maple Crk Overflow carry?

About 1,835 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is N91 over W Fk Maple Crk Overflow?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns N91 over W Fk Maple Crk Overflow?

It is owned by the State Highway Agency.