US Bridges

Old Potash HWY over Silver Creek

Good

Hall County, Nebraska · 6.3N 1.5E of Wood River · Structure no. C004002015

Built
2002
23 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
35
1997 count
Owner
County
County Highway Agency

About this bridge

Old Potash HWY over Silver Creek is a concrete culvert carrying Old Potash HWY over Silver Creek in Hall County, Nebraska. It was built in 2002, so it is 23 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 35 vehicles a day, projected to reach 59 by 2033. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesOld Potash HWY
CrossesSilver Creek
Location6.3N 1.5E of Wood River
RouteCounty Highway 20
Coordinates40.9167, -98.5617
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (1997)
Projected traffic59 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Old Potash HWY over Silver Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Old Potash HWY over Silver 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 December 2023.

How much traffic does Old Potash HWY over Silver Creek carry?

About 35 vehicles per day (1997 count).

How long is Old Potash HWY over Silver Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Old Potash HWY over Silver Creek?

It is owned by the County Highway Agency.