US Bridges

0486C over Kiawa Creek

Fair

Beaver County, Oklahoma · 17.E 2.9S of Elmwood · Structure no. 249370000000000

Built
1997
28 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
88 ft
3 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

0486C over Kiawa Creek is a wood or timber stringer/multi-beam or girder carrying 0486C over Kiawa Creek in Beaver County, Oklahoma. It was built in 1997, so it is 28 years old, younger than the Oklahoma average of 47.8 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 40 vehicles a day, roughly 15% of them trucks, projected to reach 64 by 2042. The structure is 88 ft (26.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries0486C
CrossesKiawa Creek
Location17.E 2.9S of Elmwood
RouteCounty Highway 486C
CountyBeaver County
StateOklahoma
Coordinates36.57544, -100.21719
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic64 by 2042
Trucks15%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$474,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 0486C over Kiawa Creek built?

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

What condition is 0486C over Kiawa 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 November 2023.

How much traffic does 0486C over Kiawa Creek carry?

About 40 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 0486C over Kiawa Creek?

The structure is 88 ft (26.8 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns 0486C over Kiawa Creek?

It is owned by the County Highway Agency.