US Bridges

E1478 over Brushy Creek

FairPosted for load

Pittsburg County, Oklahoma · 0.7 MI E of Dow · Structure no. 016350000000000

Built
1925
100 years old
Condition
Fair
inspected September 2024
Type
Truss - Deck
Steel
Length
772 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E1478 over Brushy Creek is a steel truss - deck carrying E1478 over Brushy Creek in Pittsburg County, Oklahoma. It was built in 1925, so it is 100 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 772 ft (235.3 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesE1478
CrossesBrushy Creek
Location0.7 MI E of Dow
RouteCounty Highway E1478
CountyPittsburg County
StateOklahoma
Coordinates34.87139, -95.58734
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating18.8 US tons
Inventory rating14.6 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+15 approach)
Design loadH 15
Structure length772 ft (235.3 m)
Longest span102 ft (31.1 m)
Deck width21 ft (6.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible 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 E1478 over Brushy Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is E1478 over Brushy 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 September 2024.

How much traffic does E1478 over Brushy Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1478 over Brushy Creek?

The structure is 772 ft (235.3 m) long with a longest span of 102 ft (31.1 m) and a deck 21 ft wide.

Who owns E1478 over Brushy Creek?

It is owned by the County Highway Agency.