US Bridges

E0470 over Salt Branch Creek

Fair

Mayes County, Oklahoma · 2.N & 2.E JCT US69 & SH20 · Structure no. 249750000000000

Built
1995
30 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
48 ft
5 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

E0470 over Salt Branch Creek is a concrete culvert carrying E0470 over Salt Branch Creek in Mayes County, Oklahoma. It was built in 1995, so it is 30 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 560 by 2042. The structure is 48 ft (14.7 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE0470
CrossesSalt Branch Creek
Location2.N & 2.E JCT US69 & SH20
RouteCounty Highway E0470
Coordinates36.33634, -95.26918
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length48 ft (14.7 m)
Longest span8 ft (2.4 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic560 by 2042
Trucks10%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0470 over Salt Branch Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is E0470 over Salt Branch 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 April 2023.

How much traffic does E0470 over Salt Branch Creek carry?

About 350 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E0470 over Salt Branch Creek?

The structure is 48 ft (14.7 m) long with a longest span of 8 ft (2.4 m) and a deck 31 ft wide.

Who owns E0470 over Salt Branch Creek?

It is owned by the County Highway Agency.