US Bridges

Mo 101 S over Dry Run

Fair

Ozark County, Missouri · S 35 T 22 N R 11 W · Structure no. 8579

Built
1930
95 years old, rebuilt 1991
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
2,879
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 101 S over Dry Run is a concrete continuous culvert carrying Mo 101 S over Dry Run in Ozark County, Missouri. It was built in 1930 and reconstructed in 1991, 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.

It carries about 2,879 vehicles a day, roughly 14% of them trucks, projected to reach 4,606 by 2044. The structure is 35 ft (10.8 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesMo 101 S
CrossesDry Run
LocationS 35 T 22 N R 11 W
RouteState Highway 101
Coordinates36.54034, -92.13869
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 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 evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92.3 US tons
Inventory rating55.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length35 ft (10.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,879 (2024)
Projected traffic4,606 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 101 S over Dry Run built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1991.

What condition is Mo 101 S over Dry Run 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 101 S over Dry Run carry?

About 2,879 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Mo 101 S over Dry Run?

The structure is 35 ft (10.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Mo 101 S over Dry Run?

It is owned by the State Highway Agency.