US Bridges

Halley RD over Christian CR

FairPosted for load

Vernon County, Missouri · S 32 T 37 N R 32 W · Structure no. 18244

Built
1930
95 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

Halley RD over Christian CR is a concrete continuous slab carrying Halley RD over Christian CR in Vernon County, Missouri. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2043. The structure is 31 ft (9.4 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHalley RD
CrossesChristian CR
LocationS 32 T 37 N R 32 W
RouteCounty Highway 178
CountyVernon County
StateMissouri
Coordinates37.94114, -94.47979
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating18.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic20 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Halley RD over Christian CR built?

It was built in 1930, making it 95 years old in 2025.

What condition is Halley RD over Christian 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 December 2023.

How much traffic does Halley RD over Christian CR carry?

About 15 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Halley RD over Christian CR?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 16 ft wide.

Who owns Halley RD over Christian CR?

It is owned by the County Highway Agency.