US Bridges

S.H. 15 over Hereford Creek

Fair

Garfield County, Oklahoma · 4.3 MI E JCT SH 74 · Structure no. 172280000000000

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
3 main spans
Daily traffic
570
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 15 over Hereford Creek is a steel stringer/multi-beam or girder carrying S.H. 15 over Hereford Creek in Garfield County, Oklahoma. It was built in 1968, so it is 57 years old, older 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 570 vehicles a day, roughly 15% of them trucks, projected to reach 912 by 2042. The structure is 120 ft (36.7 m) long and 33 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

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CarriesS.H. 15
CrossesHereford Creek
Location4.3 MI E JCT SH 74
RouteState Highway 15
CountyGarfield County
StateOklahoma
Coordinates36.53483, -97.51001
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length120 ft (36.7 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2022)
Projected traffic912 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 15 over Hereford Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is S.H. 15 over Hereford 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 February 2024.

How much traffic does S.H. 15 over Hereford Creek carry?

About 570 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 15 over Hereford Creek?

The structure is 120 ft (36.7 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns S.H. 15 over Hereford Creek?

It is owned by the State Highway Agency.