US Bridges

US73 HWY over US36 HWY

Fair

Brown County, Kansas · JCT US36/US73 · Structure no. 999907300070441

Built
1979
46 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
280 ft
4 main spans
Daily traffic
3,728
2023 count
Owner
State
State Highway Agency

About this bridge

US73 HWY over US36 HWY is a prestressed concrete continuous stringer/multi-beam or girder carrying US73 HWY over US36 HWY in Brown County, Kansas. It was built in 1979, so it is 46 years old, younger 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 3,728 vehicles a day, roughly 5% of them trucks, projected to reach 5,121 by 2044. The structure is 280 ft (85.2 m) long and 54 ft wide.

Location

Open in Google Maps
CarriesUS73 HWY
CrossesUS36 HWY
LocationJCT US36/US73
RouteU.S. Route 73
CountyBrown County
StateKansas
Coordinates39.84056, -95.52694
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length280 ft (85.2 m)
Longest span88 ft (26.8 m)
Deck width54 ft (16.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,728 (2023)
Projected traffic5,121 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US73 HWY over US36 HWY built?

It was built in 1979, making it 46 years old in 2025.

What condition is US73 HWY over US36 HWY 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 2023.

How much traffic does US73 HWY over US36 HWY carry?

About 3,728 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US73 HWY over US36 HWY?

The structure is 280 ft (85.2 m) long with a longest span of 88 ft (26.8 m) and a deck 54 ft wide.

Who owns US73 HWY over US36 HWY?

It is owned by the State Highway Agency.