US Bridges

S.H. 66 over Bellcow Creek

Good

Lincoln County, Oklahoma · SH 66; 0.1 MI W SH 18 · Structure no. 126250000000000

Built
1951
74 years old, rebuilt 2020
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
3,800
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 66 over Bellcow Creek is a concrete continuous slab carrying S.H. 66 over Bellcow Creek in Lincoln County, Oklahoma. It was built in 1951 and reconstructed in 2020, so it is 74 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,800 vehicles a day, roughly 12% of them trucks, projected to reach 6,080 by 2042. The structure is 142 ft (43.3 m) long and 38 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesS.H. 66
CrossesBellcow Creek
LocationSH 66; 0.1 MI W SH 18
RouteState Highway 66
CountyLincoln County
StateOklahoma
Coordinates35.69535, -96.88549
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length142 ft (43.3 m)
Longest span56 ft (17.1 m)
Deck width38 ft (11.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic6,080 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$1.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 66 over Bellcow Creek built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2020.

What condition is S.H. 66 over Bellcow 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 2024.

How much traffic does S.H. 66 over Bellcow Creek carry?

About 3,800 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is S.H. 66 over Bellcow Creek?

The structure is 142 ft (43.3 m) long with a longest span of 56 ft (17.1 m) and a deck 38 ft wide.

Who owns S.H. 66 over Bellcow Creek?

It is owned by the State Highway Agency.