US Bridges

Road M over Platte River Trib

Good

Keith County, Nebraska · 1S 12E of Ogallala · Structure no. C005104205P

Built
1961
64 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

Road M over Platte River Trib is a concrete culvert carrying Road M over Platte River Trib in Keith County, Nebraska. It was built in 1961, so it is 64 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 35 vehicles a day, projected to reach 59 by 2033. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 49.7 mi (80 km).

CarriesRoad M
CrossesPlatte River Trib
Location1S 12E of Ogallala
RouteCounty Highway 442
Coordinates41.1037, -101.4817
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length33 ft (10.1 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 traffic35 (2003)
Projected traffic59 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road M over Platte River Trib built?

It was built in 1961, making it 64 years old in 2025.

What condition is Road M over Platte River Trib 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 Road M over Platte River Trib carry?

About 35 vehicles per day (2003 count).

How long is Road M over Platte River Trib?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Road M over Platte River Trib?

It is owned by the County Highway Agency.