US Bridges

E0030 over Snake Creek

Fair

Harper County, Oklahoma · 9N 4.5W of Buffalo · Structure no. 015650000000000

Built
1992
33 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E0030 over Snake Creek is a steel stringer/multi-beam or girder carrying E0030 over Snake Creek in Harper County, Oklahoma. It was built in 1992, so it is 33 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 61 ft (18.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE0030
CrossesSnake Creek
Location9N 4.5W of Buffalo
RouteCounty Highway E0030
Coordinates36.97289, -99.70953
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 rating110.1 US tons
Inventory rating66 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length61 ft (18.6 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 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$390,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0030 over Snake Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is E0030 over Snake 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 2023.

How much traffic does E0030 over Snake Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E0030 over Snake Creek?

The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns E0030 over Snake Creek?

It is owned by the County Highway Agency.