US Bridges

Mo 97 S over Dry Br

Fair

Lawrence County, Missouri · S 4 T 26 N R 28 W · Structure no. 8934

Built
1935
90 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
971
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 97 S over Dry Br is a concrete continuous culvert carrying Mo 97 S over Dry Br in Lawrence County, Missouri. It was built in 1935, so it is 90 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 971 vehicles a day, roughly 12% of them trucks, projected to reach 1,408 by 2044. The structure is 22 ft (6.7 m) long and 28 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

Location

Open in Google Maps
CarriesMo 97 S
CrossesDry Br
LocationS 4 T 26 N R 28 W
RouteState Highway 97
CountyLawrence County
StateMissouri
Coordinates36.99583, -93.99747
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic971 (2024)
Projected traffic1,408 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 97 S over Dry Br built?

It was built in 1935, making it 90 years old in 2025.

What condition is Mo 97 S over Dry Br 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 April 2023.

How much traffic does Mo 97 S over Dry Br carry?

About 971 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Mo 97 S over Dry Br?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Mo 97 S over Dry Br?

It is owned by the State Highway Agency.