US Bridges

N27 over Ash Hollow Creek

Good

Garden County, Nebraska · 11S Oshkosh · Structure no. S027 10822

Built
1963
62 years old, rebuilt 1991
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
590
2018 count
Owner
State
State Highway Agency

About this bridge

N27 over Ash Hollow Creek is a concrete culvert carrying N27 over Ash Hollow Creek in Garden County, Nebraska. It was built in 1963 and reconstructed in 1991, so it is 62 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 590 vehicles a day, roughly 10% of them trucks, projected to reach 767 by 2038. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN27
CrossesAsh Hollow Creek
Location11S Oshkosh
RouteState Highway 27
Coordinates41.2517, -102.342
Functional classRural Major Collector

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 inspectionSeptember 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 spans3
Design loadHS 20
Structure length30 ft (9.1 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 traffic590 (2018)
Projected traffic767 by 2038
Trucks10%
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 N27 over Ash Hollow Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1991.

What condition is N27 over Ash Hollow 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 September 2023.

How much traffic does N27 over Ash Hollow Creek carry?

About 590 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N27 over Ash Hollow Creek?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m).

Who owns N27 over Ash Hollow Creek?

It is owned by the State Highway Agency.