US Bridges

E0630 (0101C) over Lunar Creek

PoorPosted for load

Adair County, Oklahoma · .3E of Chewey · Structure no. 098910000000000

Built
1942
83 years old
Condition
Poor
inspected July 2023
Type
Slab
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

E0630 (0101C) over Lunar Creek is a concrete continuous slab carrying E0630 (0101C) over Lunar Creek in Adair County, Oklahoma. It was built in 1942, so it is 83 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 24 ft (7.3 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesE0630 (0101C)
CrossesLunar Creek
Location.3E of Chewey
RouteCounty Highway E0630
Coordinates36.10361, -94.76191
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry4: 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 rating32 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.8 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 closed8.1 mi (13 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$236,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0630 (0101C) over Lunar Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is E0630 (0101C) over Lunar 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 July 2023.

How much traffic does E0630 (0101C) over Lunar Creek carry?

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

How long is E0630 (0101C) over Lunar Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 25 ft wide.

Who owns E0630 (0101C) over Lunar Creek?

It is owned by the County Highway Agency.