US Bridges

US20 over Sand Draw Creek

Good

Brown County, Nebraska · 7W Ainsworth · Structure no. S020 23546

Built
1978
47 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,645
2018 count
Owner
State
State Highway Agency

About this bridge

US20 over Sand Draw Creek is a concrete culvert carrying US20 over Sand Draw Creek in Brown County, Nebraska. It was built in 1978, so it is 47 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 1,645 vehicles a day, roughly 12% of them trucks, projected to reach 2,056 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesUS20
CrossesSand Draw Creek
Location7W Ainsworth
RouteU.S. Route 20
Coordinates42.5596, -99.9935
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,645 (2018)
Projected traffic2,056 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemYes

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 US20 over Sand Draw Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is US20 over Sand Draw 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 March 2023.

How much traffic does US20 over Sand Draw Creek carry?

About 1,645 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is US20 over Sand Draw Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns US20 over Sand Draw Creek?

It is owned by the State Highway Agency.