US Bridges

77 Road over North Fork Beaver Creek

FairPosted for load

Sherman County, Kansas · 13.0N 9.2E of Kanorado · Structure no. 000910333203660

Built
1968
57 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

77 Road over North Fork Beaver Creek is a prestressed concrete tee beam carrying 77 Road over North Fork Beaver Creek in Sherman County, Kansas. It was built in 1968, so it is 57 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2044. The structure is 42 ft (12.9 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries77 Road
CrossesNorth Fork Beaver Creek
Location13.0N 9.2E of Kanorado
RouteCounty Highway 0
CountySherman County
StateKansas
Coordinates39.52482, -101.87259
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16 US tons
Inventory rating16 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length42 ft (12.9 m)
Longest span39 ft (12 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2020)
Projected traffic20 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 77 Road over North Fork Beaver Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is 77 Road over North Fork Beaver Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does 77 Road over North Fork Beaver Creek carry?

About 20 vehicles per day (2020 count).

How long is 77 Road over North Fork Beaver Creek?

The structure is 42 ft (12.9 m) long with a longest span of 39 ft (12 m) and a deck 31 ft wide.

Who owns 77 Road over North Fork Beaver Creek?

It is owned by the County Highway Agency.