US Bridges

IRR 1868C over Big Cabin Creek

Good

Craig County, Oklahoma · 5.5NW at Welch · Structure no. 245460000000000

Built
1995
30 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
141 ft
3 main spans
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

IRR 1868C over Big Cabin Creek is a concrete stringer/multi-beam or girder carrying IRR 1868C over Big Cabin Creek in Craig County, Oklahoma. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24 vehicles a day, roughly 15% of them trucks, projected to reach 38 by 2042. The structure is 141 ft (43 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesIRR 1868C
CrossesBig Cabin Creek
Location5.5NW at Welch
RouteCounty Highway 1868C
Coordinates36.90546, -95.19781
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.1 US tons
Inventory rating44.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length141 ft (43 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks15%
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$651,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR 1868C over Big Cabin Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is IRR 1868C over Big Cabin 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 September 2024.

How much traffic does IRR 1868C over Big Cabin Creek carry?

About 24 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is IRR 1868C over Big Cabin Creek?

The structure is 141 ft (43 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns IRR 1868C over Big Cabin Creek?

It is owned by the County Highway Agency.