US Bridges

Road 309 over Big Sandy Creek

Good

Clay County, Nebraska · 2N Fairfield · Structure no. C001813405

Built
2019
6 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

Road 309 over Big Sandy Creek is a concrete culvert carrying Road 309 over Big Sandy Creek in Clay County, Nebraska. It was built in 2019, so it is 6 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 9 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 2041. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesRoad 309
CrossesBig Sandy Creek
Location2N Fairfield
RouteCounty Highway 134
CountyClay County
StateNebraska
Coordinates40.4667, -98.1017
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 protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.3 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 traffic35 (2003)
Projected traffic59 by 2041
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 309 over Big Sandy Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Road 309 over Big Sandy 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 Road 309 over Big Sandy Creek carry?

About 35 vehicles per day (2003 count).

How long is Road 309 over Big Sandy Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Road 309 over Big Sandy Creek?

It is owned by the County Highway Agency.