US Bridges

FAS 3145 over Shell Creek

Good

Colfax County, Nebraska · JCT US30/N15 4W 3.8N · Structure no. C001901305

Built
2005
20 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
172 ft
3 main spans
Daily traffic
40
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 3145 over Shell Creek is a steel continuous stringer/multi-beam or girder carrying FAS 3145 over Shell Creek in Colfax County, Nebraska. It was built in 2005, so it is 20 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 40 vehicles a day, projected to reach 30 by 2033. The structure is 172 ft (52.4 m) long and 31 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesFAS 3145
CrossesShell Creek
LocationJCT US30/N15 4W 3.8N
RouteCounty Highway 3145
CountyColfax County
StateNebraska
Coordinates41.5069, -97.1368
Functional classRural Major Collector

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.
Superstructure9 ExcellentNo 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 alignment7: Better than present minimum criteria
Operating rating70.5 US tons
Inventory rating41.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span68 ft (20.7 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2011)
Projected traffic30 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 FAS 3145 over Shell Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is FAS 3145 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 FAS 3145 over Shell Creek carry?

About 40 vehicles per day (2011 count).

How long is FAS 3145 over Shell Creek?

The structure is 172 ft (52.4 m) long with a longest span of 68 ft (20.7 m) and a deck 31 ft wide.

Who owns FAS 3145 over Shell Creek?

It is owned by the County Highway Agency.