US Bridges

340th ST over Shell Creek Trib

Good

Platte County, Nebraska · 2N 2W of Platte Center · Structure no. C007112650

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Culvert
Steel
Length
38 ft
3 main spans
Daily traffic
50
2003 count
Owner
County
County Highway Agency

About this bridge

340th ST over Shell Creek Trib is a steel culvert carrying 340th ST over Shell Creek Trib in Platte County, Nebraska. It was built in 2021, so it is 4 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 50 vehicles a day, projected to reach 85 by 2033. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
Carries340th ST
CrossesShell Creek Trib
Location2N 2W of Platte Center
RouteCounty Highway 126
CountyPlatte County
StateNebraska
Coordinates41.56961, -97.52956
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2003)
Projected traffic85 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 340th ST over Shell Creek Trib built?

It was built in 2021, making it 4 years old in 2025.

What condition is 340th ST over Shell Creek Trib 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 September 2023.

How much traffic does 340th ST over Shell Creek Trib carry?

About 50 vehicles per day (2003 count).

How long is 340th ST over Shell Creek Trib?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3.2 m).

Who owns 340th ST over Shell Creek Trib?

It is owned by the County Highway Agency.