US Bridges

80th RD over N Ch Platte River

Good

Hall County, Nebraska · 1W 2.8S Alda · Structure no. C004002525

Built
2007
18 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
57 ft
3 main spans
Daily traffic
40
2003 count
Owner
County
County Highway Agency

About this bridge

80th RD over N Ch Platte River is a concrete stringer/multi-beam or girder carrying 80th RD over N Ch Platte River in Hall County, Nebraska. It was built in 2007, so it is 18 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 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 40 vehicles a day, projected to reach 68 by 2033. The structure is 57 ft (17.4 m) long and 34 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Carries80th RD
CrossesN Ch Platte River
Location1W 2.8S Alda
RouteCounty Highway 25
Coordinates40.8283, -98.4933
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.6 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span22 ft (6.7 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2003)
Projected traffic68 by 2033
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 80th RD over N Ch Platte River built?

It was built in 2007, making it 18 years old in 2025.

What condition is 80th RD over N Ch Platte 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 October 2024.

How much traffic does 80th RD over N Ch Platte River carry?

About 40 vehicles per day (2003 count).

How long is 80th RD over N Ch Platte River?

The structure is 57 ft (17.4 m) long with a longest span of 22 ft (6.7 m) and a deck 34 ft wide.

Who owns 80th RD over N Ch Platte River?

It is owned by the County Highway Agency.