US Bridges

IRR FAS 5628 over Montezuma Creek

PoorPosted for load

Okmulgee County, Oklahoma · 6.2 NE US75 Alt · Structure no. 164620000000000

Built
1965
60 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
102 ft
3 main spans
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

IRR FAS 5628 over Montezuma Creek is a steel continuous stringer/multi-beam or girder carrying IRR FAS 5628 over Montezuma Creek in Okmulgee County, Oklahoma. It was built in 1965, so it is 60 years old, older 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 400 vehicles a day, roughly 15% of them trucks, projected to reach 640 by 2042. The structure is 102 ft (31.1 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIRR FAS 5628
CrossesMontezuma Creek
Location6.2 NE US75 Alt
RouteCounty Highway 5628
Coordinates35.49287, -96.05332
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating21.4 US tons
Inventory rating12.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length102 ft (31.1 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic640 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$514,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR FAS 5628 over Montezuma Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is IRR FAS 5628 over Montezuma 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 September 2024.

How much traffic does IRR FAS 5628 over Montezuma Creek carry?

About 400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is IRR FAS 5628 over Montezuma Creek?

The structure is 102 ft (31.1 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns IRR FAS 5628 over Montezuma Creek?

It is owned by the County Highway Agency.