US Bridges

Rt Bb S over Gunters Valley

Fair

Howell County, Missouri · S 3 T 24 N R 8 W · Structure no. 7744

Built
1954
71 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,416
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Bb S over Gunters Valley is a concrete continuous culvert carrying Rt Bb S over Gunters Valley in Howell County, Missouri. It was built in 1954, so it is 71 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 1,416 vehicles a day, roughly 2% of them trucks, projected to reach 2,124 by 2044. The structure is 21 ft (6.5 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Bb S
CrossesGunters Valley
LocationS 3 T 24 N R 8 W
RouteState Highway 0BB
Coordinates36.78248, -91.83992
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,416 (2024)
Projected traffic2,124 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Bb S over Gunters Valley built?

It was built in 1954, making it 71 years old in 2025.

What condition is Rt Bb S over Gunters Valley 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 2024.

How much traffic does Rt Bb S over Gunters Valley carry?

About 1,416 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Rt Bb S over Gunters Valley?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Rt Bb S over Gunters Valley?

It is owned by the State Highway Agency.