US Bridges

1104C/ N4504 over Thompson Creek

PoorPosted for load

Cherokee County, Oklahoma · .3NE of Terasita · Structure no. 263410000000000

Built
2000
25 years old
Condition
Poor
inspected August 2023
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
227
2022 count
Owner
County
County Highway Agency

About this bridge

1104C/ N4504 over Thompson Creek is a concrete culvert carrying 1104C/ N4504 over Thompson Creek in Cherokee County, Oklahoma. It was built in 2000, so it is 25 years old, younger 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 227 vehicles a day, roughly 15% of them trucks, projected to reach 363 by 2042. The structure is 47 ft (14.4 m) long and 24 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

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Carries1104C/ N4504
CrossesThompson Creek
Location.3NE of Terasita
RouteCounty Highway 1104C
CountyCherokee County
StateOklahoma
Coordinates36.12045, -94.9858
Functional classRural Major Collector

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
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length47 ft (14.4 m)
Longest span14 ft (4.3 m)
Deck width24 ft (7.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic227 (2022)
Projected traffic363 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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$2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was 1104C/ N4504 over Thompson Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is 1104C/ N4504 over Thompson 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 August 2023.

How much traffic does 1104C/ N4504 over Thompson Creek carry?

About 227 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 1104C/ N4504 over Thompson Creek?

The structure is 47 ft (14.4 m) long with a longest span of 14 ft (4.3 m) and a deck 24 ft wide.

Who owns 1104C/ N4504 over Thompson Creek?

It is owned by the County Highway Agency.