US Bridges

County Highway over S.Channel Platte River

Good

Polk County, Nebraska · 11.2N 1W of Shelby · Structure no. C007204115

Built
1984
41 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
100
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over S.Channel Platte River is a prestressed concrete tee beam carrying County Highway over S.Channel Platte River in Polk County, Nebraska. It was built in 1984, so it is 41 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 170 by 2041. The structure is 41 ft (12.5 m) long and 30 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesCounty Highway
CrossesS.Channel Platte River
Location11.2N 1W of Shelby
RouteCounty Highway 41
Coordinates41.355, -97.445
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 protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2003)
Projected traffic170 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over S.Channel Platte River built?

It was built in 1984, making it 41 years old in 2025.

What condition is County Highway over S.Channel 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 November 2023.

How much traffic does County Highway over S.Channel Platte River carry?

About 100 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is County Highway over S.Channel Platte River?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns County Highway over S.Channel Platte River?

It is owned by the County Highway Agency.