US Bridges

N4270 over Creek

PoorPosted for load

McIntosh County, Oklahoma · .1N of Shady Grove · Structure no. 290280000000000

Built
1993
32 years old, rebuilt 2008
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
32 ft
5 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4270 over Creek is a steel culvert carrying N4270 over Creek in McIntosh County, Oklahoma. It was built in 1993 and reconstructed in 2008, so it is 32 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN4270
CrossesCreek
Location.1N of Shady Grove
RouteCounty Highway N4270
CountyMcIntosh County
StateOklahoma
Coordinates35.4957, -95.41576
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed1.9 mi (3 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$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4270 over Creek built?

It was built in 1993, making it 32 years old in 2025. It was reconstructed in 2008.

What condition is N4270 over 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 2024.

How much traffic does N4270 over Creek carry?

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

How long is N4270 over Creek?

The structure is 32 ft (9.7 m) long with a longest span of 5 ft (1.5 m).

Who owns N4270 over Creek?

It is owned by the County Highway Agency.