US Bridges

N57 over Bow Creek

Good

Cedar County, Nebraska · 2S Hartington · Structure no. S057 06460

Built
1987
38 years old
Condition
Good
inspected September 2022
Type
Tee Beam
Prestressed Concrete
Length
102 ft
3 main spans
Daily traffic
1,835
2018 count
Owner
State
State Highway Agency

About this bridge

N57 over Bow Creek is a prestressed concrete tee beam carrying N57 over Bow Creek in Cedar County, Nebraska. It was built in 1987, so it is 38 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 1,835 vehicles a day, roughly 7% of them trucks, projected to reach 2,386 by 2038. The structure is 102 ft (31.1 m) long and 38 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesN57
CrossesBow Creek
Location2S Hartington
RouteState Highway 57
CountyCedar County
StateNebraska
Coordinates42.5915, -97.2696
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating76.1 US tons
Inventory rating45.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,835 (2018)
Projected traffic2,386 by 2038
Trucks7%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N57 over Bow Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is N57 over Bow 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 September 2022.

How much traffic does N57 over Bow Creek carry?

About 1,835 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is N57 over Bow Creek?

The structure is 102 ft (31.1 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns N57 over Bow Creek?

It is owned by the State Highway Agency.