US Bridges

S.H. 20 over Bug Creek

Good

Osage County, Oklahoma · 8.9 W of S.H. 99 · Structure no. 312240000000000

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
285 ft
3 main spans
Daily traffic
780
2023 count
Owner
State
State Highway Agency

About this bridge

S.H. 20 over Bug Creek is a steel stringer/multi-beam or girder carrying S.H. 20 over Bug Creek in Osage County, Oklahoma. It was built in 2024, so it is 1 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 780 vehicles a day, roughly 18% of them trucks, projected to reach 980 by 2042. The structure is 285 ft (86.9 m) long and 46 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

No coordinates are recorded for this structure.

CarriesS.H. 20
CrossesBug Creek
Location8.9 W of S.H. 99
RouteState Highway 20
CountyOsage County
StateOklahoma
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.6 US tons
Inventory rating53.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length285 ft (86.9 m)
Longest span285 ft (86.9 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic780 (2023)
Projected traffic980 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

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 S.H. 20 over Bug Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is S.H. 20 over Bug Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does S.H. 20 over Bug Creek carry?

About 780 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is S.H. 20 over Bug Creek?

The structure is 285 ft (86.9 m) long with a longest span of 285 ft (86.9 m) and a deck 46 ft wide.

Who owns S.H. 20 over Bug Creek?

It is owned by the State Highway Agency.