US Bridges

County Road 20 over Tub Springs Creek

Good

Scotts Bluff County, Nebraska · 3N 1W of Scottsbluff · Structure no. C007913915

Built
1983
42 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
60
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 20 over Tub Springs Creek is a steel stringer/multi-beam or girder carrying County Road 20 over Tub Springs Creek in Scotts Bluff County, Nebraska. It was built in 1983, so it is 42 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 60 vehicles a day, projected to reach 102 by 2033. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesCounty Road 20
CrossesTub Springs Creek
Location3N 1W of Scottsbluff
RouteCounty Highway 139
CountyScotts Bluff County
StateNebraska
Coordinates41.925, -103.6967
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.2 US tons
Inventory rating33.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2003)
Projected traffic102 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 20 over Tub Springs Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is County Road 20 over Tub Springs 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 November 2023.

How much traffic does County Road 20 over Tub Springs Creek carry?

About 60 vehicles per day (2003 count).

How long is County Road 20 over Tub Springs Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns County Road 20 over Tub Springs Creek?

It is owned by the County Highway Agency.