US Bridges

Memphis DR over Spring CR

FairPosted for load

Laclede County, Missouri · S 21 T 34 N R 17 W · Structure no. 16385

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
36 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Memphis DR over Spring CR is a concrete tee beam carrying Memphis DR over Spring CR in Laclede County, Missouri. It was built in 1970, so it is 55 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 6% of them trucks, projected to reach 70 by 2043. The structure is 36 ft (11 m) long and 12 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesMemphis DR
CrossesSpring CR
LocationS 21 T 34 N R 17 W
RouteCounty Highway 118
Coordinates37.65586, -92.81621
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.8 US tons
Inventory rating9.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$327,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Memphis DR over Spring CR built?

It was built in 1970, making it 55 years old in 2025.

What condition is Memphis DR over Spring CR 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 March 2023.

How much traffic does Memphis DR over Spring CR carry?

About 50 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Memphis DR over Spring CR?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 12 ft wide.

Who owns Memphis DR over Spring CR?

It is owned by the County Highway Agency.