US Bridges

US 77 Tank Trail over Stream

Fair

Riley County, Kansas · 873-366 · Structure no. DAPFORRIL0BR929

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
50
2021 count
Owner
Federal
Army

About this bridge

US 77 Tank Trail over Stream is a concrete culvert carrying US 77 Tank Trail over Stream in Riley County, Kansas. It was built in 1960, so it is 65 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.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2044. The structure is 22 ft (6.7 m) long.

CarriesUS 77 Tank Trail
CrossesStream
Location873-366
StateKansas
Coordinates39.15647, -96.83064
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span7 ft (2.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic200 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 77 Tank Trail over Stream built?

It was built in 1960, making it 65 years old in 2025.

What condition is US 77 Tank Trail over Stream 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 July 2023.

How much traffic does US 77 Tank Trail over Stream carry?

About 50 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is US 77 Tank Trail over Stream?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.2 m).

Who owns US 77 Tank Trail over Stream?

It is owned by the Army.