US Bridges

3406C Major over Mud Creek

Fair

Jefferson County, Oklahoma · 1.8 MI W SH 89 · Structure no. 058340000000000

Built
1938
87 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
31
2022 count
Owner
County
County Highway Agency

About this bridge

3406C Major over Mud Creek is a concrete culvert carrying 3406C Major over Mud Creek in Jefferson County, Oklahoma. It was built in 1938, so it is 87 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 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 31 vehicles a day, roughly 15% of them trucks, projected to reach 50 by 2042. The structure is 21 ft (6.4 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries3406C Major
CrossesMud Creek
Location1.8 MI W SH 89
RouteCounty Highway 3420
Coordinates34.24542, -97.62812
Functional classRural Major 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2022)
Projected traffic50 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 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 3406C Major over Mud Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is 3406C Major over Mud 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 May 2023.

How much traffic does 3406C Major over Mud Creek carry?

About 31 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 3406C Major over Mud Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns 3406C Major over Mud Creek?

It is owned by the County Highway Agency.