US Bridges

447th Ave over Keya Paha River

Good

Keya Paha County, Nebraska · 2E 4.2N Burton · Structure no. C005216705

Built
2009
16 years old, rebuilt 2020
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
270 ft
4 main spans
Daily traffic
20
1998 count
Owner
County
County Highway Agency

About this bridge

447th Ave over Keya Paha River is a steel stringer/multi-beam or girder carrying 447th Ave over Keya Paha River in Keya Paha County, Nebraska. It was built in 2009 and reconstructed in 2020, so it is 16 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 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 20 vehicles a day, projected to reach 34 by 2033. The structure is 270 ft (82.3 m) long and 29 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
Carries447th Ave
CrossesKeya Paha River
Location2E 4.2N Burton
RouteCounty Highway 7445
CountyKeya Paha County
StateNebraska
Coordinates42.9783, -99.5513
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length270 ft (82.3 m)
Longest span89 ft (27 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1998)
Projected traffic34 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 447th Ave over Keya Paha River built?

It was built in 2009, making it 16 years old in 2025. It was reconstructed in 2020.

What condition is 447th Ave over Keya Paha River 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 August 2023.

How much traffic does 447th Ave over Keya Paha River carry?

About 20 vehicles per day (1998 count).

How long is 447th Ave over Keya Paha River?

The structure is 270 ft (82.3 m) long with a longest span of 89 ft (27 m) and a deck 29 ft wide.

Who owns 447th Ave over Keya Paha River?

It is owned by the County Highway Agency.