US Bridges

US6/N15 over Stream

Good

Seward County, Nebraska · 4N Dorchester · Structure no. S006 28460

Built
1976
49 years old, rebuilt 1991
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
53 ft
4 main spans
Daily traffic
2,310
2018 count
Owner
State
State Highway Agency

About this bridge

US6/N15 over Stream is a concrete culvert carrying US6/N15 over Stream in Seward County, Nebraska. It was built in 1976 and reconstructed in 1991, so it is 49 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,310 vehicles a day, roughly 10% of them trucks, projected to reach 3,696 by 2038. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 37.3 mi (60 km).

CarriesUS6/N15
CrossesStream
Location4N Dorchester
RouteU.S. Route 6
Coordinates40.7033, -97.1208
Functional classRural Minor Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans4
Design loadHS 20
Structure length53 ft (16.2 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 traffic2,310 (2018)
Projected traffic3,696 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemNo

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 US6/N15 over Stream built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1991.

What condition is US6/N15 over Stream 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 January 2025.

How much traffic does US6/N15 over Stream carry?

About 2,310 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is US6/N15 over Stream?

The structure is 53 ft (16.2 m) long with a longest span of 12 ft (3.7 m).

Who owns US6/N15 over Stream?

It is owned by the State Highway Agency.