US Bridges

Oregon Trail Rd. over Cottonwood Creek

Good

Adams County, Nebraska · 17940 W. Oregon Trail RD · Structure no. C000103005

Built
2006
19 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Concrete
Length
93 ft
3 main spans
Daily traffic
25
2003 count
Owner
County
County Highway Agency

About this bridge

Oregon Trail Rd. over Cottonwood Creek is a concrete stringer/multi-beam or girder carrying Oregon Trail Rd. over Cottonwood Creek in Adams County, Nebraska. It was built in 2006, so it is 19 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 25 vehicles a day, projected to reach 42 by 2042. The structure is 93 ft (28.3 m) long and 29 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesOregon Trail Rd.
CrossesCottonwood Creek
Location17940 W. Oregon Trail RD
RouteCounty Highway 30
CountyAdams County
StateNebraska
Coordinates40.4952, -98.6536
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.8 US tons
Inventory rating44.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2003)
Projected traffic42 by 2042
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 Oregon Trail Rd. over Cottonwood Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Oregon Trail Rd. over Cottonwood 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 October 2022.

How much traffic does Oregon Trail Rd. over Cottonwood Creek carry?

About 25 vehicles per day (2003 count).

How long is Oregon Trail Rd. over Cottonwood Creek?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns Oregon Trail Rd. over Cottonwood Creek?

It is owned by the County Highway Agency.