US Bridges

N4470/ Lamon Rd. over Pecan Creek

GoodPosted for load

Cherokee County, Oklahoma · .2S of SH51 4W Tahlequah · Structure no. 274920000000000

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
52 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4470/ Lamon Rd. over Pecan Creek is a concrete culvert carrying N4470/ Lamon Rd. over Pecan Creek in Cherokee 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 52 ft (15.8 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesN4470/ Lamon Rd.
CrossesPecan Creek
Location.2S of SH51 4W Tahlequah
RouteCounty Highway N4470
Coordinates35.91561, -95.04713
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span16 ft (4.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 N4470/ Lamon Rd. over Pecan Creek built?

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

What condition is N4470/ Lamon Rd. over Pecan 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 2023.

How much traffic does N4470/ Lamon Rd. over Pecan Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4470/ Lamon Rd. over Pecan Creek?

The structure is 52 ft (15.8 m) long with a longest span of 16 ft (4.9 m) and a deck 26 ft wide.

Who owns N4470/ Lamon Rd. over Pecan Creek?

It is owned by the County Highway Agency.