US Bridges

Halliburton ST over Bear CR

Fair

Adair County, Missouri · S 16 T 62 N R 15 W · Structure no. 19620

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Halliburton ST over Bear CR is a concrete culvert carrying Halliburton ST over Bear CR in Adair County, Missouri. It was built in 1973, so it is 52 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 500 vehicles a day, roughly 10% of them trucks, projected to reach 575 by 2044. The structure is 27 ft (8.2 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHalliburton ST
CrossesBear CR
LocationS 16 T 62 N R 15 W
RouteCity Street 0
Coordinates40.17153, -92.57672
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic575 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Halliburton ST over Bear CR built?

It was built in 1973, making it 52 years old in 2025.

What condition is Halliburton ST over Bear CR 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 February 2024.

How much traffic does Halliburton ST over Bear CR carry?

About 500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Halliburton ST over Bear CR?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.

Who owns Halliburton ST over Bear CR?

It is owned by the City or Municipal Highway Agency.