US Bridges

Mo 181 S over Pine Hollow

Fair

Ozark County, Missouri · S 7 T 23 N R 12 W · Structure no. 9359

Built
1946
79 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
53 ft
3 main spans
Daily traffic
190
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 181 S over Pine Hollow is a concrete continuous slab carrying Mo 181 S over Pine Hollow in Ozark County, Missouri. It was built in 1946, so it is 79 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 190 vehicles a day, roughly 10% of them trucks, projected to reach 304 by 2044. The structure is 53 ft (16.2 m) long and 23 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesMo 181 S
CrossesPine Hollow
LocationS 7 T 23 N R 12 W
RouteState Highway 181
Coordinates36.6841, -92.3317
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating28.8 US tons
Inventory rating13.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length53 ft (16.2 m)
Longest span20 ft (6.1 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2024)
Projected traffic304 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 Mo 181 S over Pine Hollow built?

It was built in 1946, making it 79 years old in 2025.

What condition is Mo 181 S over Pine 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 January 2024.

How much traffic does Mo 181 S over Pine Hollow carry?

About 190 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 181 S over Pine Hollow?

The structure is 53 ft (16.2 m) long with a longest span of 20 ft (6.1 m) and a deck 23 ft wide.

Who owns Mo 181 S over Pine Hollow?

It is owned by the State Highway Agency.