US Bridges

N8 over Dry Creek

Good

Thayer County, Nebraska · 7W Chester · Structure no. S008 01739

Built
1958
67 years old, rebuilt 2000
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
735
2018 count
Owner
State
State Highway Agency

About this bridge

N8 over Dry Creek is a concrete culvert carrying N8 over Dry Creek in Thayer County, Nebraska. It was built in 1958 and reconstructed in 2000, so it is 67 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 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 735 vehicles a day, roughly 14% of them trucks, projected to reach 1,029 by 2038. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN8
CrossesDry Creek
Location7W Chester
RouteState Highway 8
Coordinates40.0166, -97.7389
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.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
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 spans2
Design loadHS 20
Structure length25 ft (7.6 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 traffic735 (2018)
Projected traffic1,029 by 2038
Trucks14%
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

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 N8 over Dry Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2000.

What condition is N8 over Dry 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 July 2023.

How much traffic does N8 over Dry Creek carry?

About 735 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is N8 over Dry Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns N8 over Dry Creek?

It is owned by the State Highway Agency.