US Bridges

US 63 S over Happy Hollow

Fair

Texas County, Missouri · S 8 T 30 N R 9 W · Structure no. 5478

Built
1931
94 years old, rebuilt 1955
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
8,822
2024 count
Owner
State
State Highway Agency

About this bridge

US 63 S over Happy Hollow is a concrete continuous culvert carrying US 63 S over Happy Hollow in Texas County, Missouri. It was built in 1931 and reconstructed in 1955, so it is 94 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 5 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 8,822 vehicles a day, roughly 20% of them trucks, projected to reach 16,762 by 2044. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS 63 S
CrossesHappy Hollow
LocationS 8 T 30 N R 9 W
RouteU.S. Route 63
Coordinates37.32375, -91.95342
Functional classRural Principal Arterial - Other

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,822 (2024)
Projected traffic16,762 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 63 S over Happy Hollow built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1955.

What condition is US 63 S over Happy Hollow 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 October 2023.

How much traffic does US 63 S over Happy Hollow carry?

About 8,822 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is US 63 S over Happy Hollow?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns US 63 S over Happy Hollow?

It is owned by the State Highway Agency.