US Bridges

E1120 (4620C) over Mud Creek

Good

McIntosh County, Oklahoma · 5S 6E of Checotah · Structure no. 314800000000000

Built
2019
6 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

E1120 (4620C) over Mud Creek is a prestressed concrete stringer/multi-beam or girder carrying E1120 (4620C) over Mud Creek in McIntosh County, Oklahoma. It was built in 2019, so it is 6 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24 vehicles a day, roughly 15% of them trucks, projected to reach 38 by 2042. The structure is 85 ft (25.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE1120 (4620C)
CrossesMud Creek
Location5S 6E of Checotah
RouteCounty Highway E1120
Coordinates35.39171, -95.40678
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating36.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span85 ft (25.9 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E1120 (4620C) over Mud Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is E1120 (4620C) over Mud Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does E1120 (4620C) over Mud Creek carry?

About 24 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E1120 (4620C) over Mud Creek?

The structure is 85 ft (25.9 m) long with a longest span of 85 ft (25.9 m) and a deck 26 ft wide.

Who owns E1120 (4620C) over Mud Creek?

It is owned by the County Highway Agency.