US Bridges

E0710(S.121st.ST.) over Coal Creek

FairPosted for load

Tulsa County, Oklahoma · 121st S .7E Union Ave · Structure no. 126850000000000

Built
1952
73 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
9,029
2024 count
Owner
County
County Highway Agency

About this bridge

E0710(S.121st.ST.) over Coal Creek is a steel stringer/multi-beam or girder carrying E0710(S.121st.ST.) over Coal Creek in Tulsa County, Oklahoma. It was built in 1952, so it is 73 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 9,029 vehicles a day, roughly 5% of them trucks, projected to reach 14,446 by 2044. The structure is 25 ft (7.6 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesE0710(S.121st.ST.)
CrossesCoal Creek
Location121st S .7E Union Ave
RouteCounty Highway E0710
Coordinates35.98831, -96.00219
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,029 (2024)
Projected traffic14,446 by 2044
Trucks5%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$241,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0710(S.121st.ST.) over Coal Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is E0710(S.121st.ST.) over Coal 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 2023.

How much traffic does E0710(S.121st.ST.) over Coal Creek carry?

About 9,029 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is E0710(S.121st.ST.) over Coal Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 43 ft wide.

Who owns E0710(S.121st.ST.) over Coal Creek?

It is owned by the County Highway Agency.