US Bridges

N3960 over Montezuma Creek

Fair

Okmulgee County, Oklahoma · 0.5 W; 1.0 N Schulter · Structure no. 212970000000000

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3960 over Montezuma Creek is a prestressed concrete stringer/multi-beam or girder carrying N3960 over Montezuma Creek in Okmulgee County, Oklahoma. It was built in 1986, so it is 39 years old, younger 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 5 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 103 ft (31.5 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesN3960
CrossesMontezuma Creek
Location0.5 W; 1.0 N Schulter
RouteCounty Highway N3960
CountyOkmulgee County
StateOklahoma
Coordinates35.53623, -95.96392
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating86 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length103 ft (31.5 m)
Longest span100 ft (30.5 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 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 closed5 mi (8 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$508,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3960 over Montezuma Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is N3960 over Montezuma 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 September 2024.

How much traffic does N3960 over Montezuma Creek carry?

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

How long is N3960 over Montezuma Creek?

The structure is 103 ft (31.5 m) long with a longest span of 100 ft (30.5 m) and a deck 28 ft wide.

Who owns N3960 over Montezuma Creek?

It is owned by the County Highway Agency.