US Bridges

E1420 over Creek

PoorPosted for load

Seminole County, Oklahoma · .5 N & .1 W of Sasakwa · Structure no. 086450000000000

Built
1940
85 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

E1420 over Creek is a steel stringer/multi-beam or girder carrying E1420 over Creek in Seminole County, Oklahoma. It was built in 1940, so it is 85 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2042. The structure is 37 ft (11.3 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesE1420
CrossesCreek
Location.5 N & .1 W of Sasakwa
RouteCounty Highway E1420
Coordinates34.9563, -96.52834
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11 US tons
Inventory rating8 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span33 ft (10.2 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic48 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$298,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1420 over Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is E1420 over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does E1420 over Creek carry?

About 30 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1420 over Creek?

The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.2 m) and a deck 19 ft wide.

Who owns E1420 over Creek?

It is owned by the County Highway Agency.