US Bridges

IRR BIA RTE 818 over Roys Creek

Fair

Brown County, Kansas · 2.1KM W of Tribal Hdq · Structure no. 00000000000B317

Built
1997
28 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
3 main spans
Daily traffic
1,100
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 818 over Roys Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 818 over Roys Creek in Brown County, Kansas. It was built in 1997, so it is 28 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 1,100 vehicles a day, roughly 2% of them trucks, projected to reach 2,200 by 2043. The structure is 148 ft (45.1 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIRR BIA RTE 818
CrossesRoys Creek
Location2.1KM W of Tribal Hdq
RouteFederal Lands Road 818
CountyBrown County
StateKansas
Coordinates39.98695, -95.39313
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.4 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span70 ft (21.2 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic2,200 by 2043
Trucks2%
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

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 IRR BIA RTE 818 over Roys Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is IRR BIA RTE 818 over Roys 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 December 2023.

How much traffic does IRR BIA RTE 818 over Roys Creek carry?

About 1,100 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is IRR BIA RTE 818 over Roys Creek?

The structure is 148 ft (45.1 m) long with a longest span of 70 ft (21.2 m) and a deck 30 ft wide.

Who owns IRR BIA RTE 818 over Roys Creek?

It is owned by the Bureau of Indian Affairs.