US Bridges

County Highway over Shell Creek

Good

Colfax County, Nebraska · 6N US30 Platte Cl · Structure no. C001900105

Built
2010
15 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
3 main spans
Daily traffic
45
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Shell Creek is a steel stringer/multi-beam or girder carrying County Highway over Shell Creek in Colfax County, Nebraska. It was built in 2010, so it is 15 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 45 vehicles a day, projected to reach 76 by 2033. The structure is 142 ft (43.3 m) long and 29 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesCounty Highway
CrossesShell Creek
Location6N US30 Platte Cl
RouteCounty Highway 1
CountyColfax County
StateNebraska
Coordinates41.5217, -97.2517
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating45.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length142 ft (43.3 m)
Longest span56 ft (17.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2003)
Projected traffic76 by 2033
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Shell Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is County Highway over Shell 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 July 2022.

How much traffic does County Highway over Shell Creek carry?

About 45 vehicles per day (2003 count).

How long is County Highway over Shell Creek?

The structure is 142 ft (43.3 m) long with a longest span of 56 ft (17.1 m) and a deck 29 ft wide.

Who owns County Highway over Shell Creek?

It is owned by the County Highway Agency.