US Bridges

N13 over Willow Creek

Good

Pierce County, Nebraska · .2SE Pierce · Structure no. S013 00839

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
4,825
2018 count
Owner
State
State Highway Agency

About this bridge

N13 over Willow Creek is a steel stringer/multi-beam or girder carrying N13 over Willow Creek in Pierce County, Nebraska. It was built in 2004, so it is 21 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 4,825 vehicles a day, roughly 9% of them trucks, projected to reach 7,479 by 2038. The structure is 68 ft (20.7 m) long and 46 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesN13
CrossesWillow Creek
Location.2SE Pierce
RouteState Highway 13
Coordinates42.193, -97.5194
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating39.7 US tons
Inventory rating30.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length68 ft (20.7 m)
Longest span65 ft (19.8 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,825 (2018)
Projected traffic7,479 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N13 over Willow Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is N13 over Willow 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 October 2024.

How much traffic does N13 over Willow Creek carry?

About 4,825 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N13 over Willow Creek?

The structure is 68 ft (20.7 m) long with a longest span of 65 ft (19.8 m) and a deck 46 ft wide.

Who owns N13 over Willow Creek?

It is owned by the State Highway Agency.