US Bridges

S.H. 20 over Brush Creek

Good

Delaware County, Oklahoma · 1.4 MI E US59 · Structure no. 199660000000000

Built
1981
44 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
124 ft
3 main spans
Daily traffic
2,300
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 20 over Brush Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 20 over Brush Creek in Delaware County, Oklahoma. It was built in 1981, so it is 44 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,300 vehicles a day, roughly 15% of them trucks, projected to reach 3,680 by 2042. The structure is 124 ft (37.9 m) long and 30 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesS.H. 20
CrossesBrush Creek
Location1.4 MI E US59
RouteState Highway 20
Coordinates36.4219, -94.76665
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length124 ft (37.9 m)
Longest span42 ft (12.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2022)
Projected traffic3,680 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 20 over Brush Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is S.H. 20 over Brush 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 February 2024.

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

About 2,300 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 124 ft (37.9 m) long with a longest span of 42 ft (12.7 m) and a deck 30 ft wide.

Who owns S.H. 20 over Brush Creek?

It is owned by the State Highway Agency.