US Bridges

Mine LA Motte Ave over Saline CR

Poor

Madison County, Missouri · S 2078 T 33 N R 7 E · Structure no. 35797

Built
1931
94 years old
Condition
Poor
inspected December 2023
Type
Tee Beam
Concrete
Length
133 ft
3 main spans
Daily traffic
7,222
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mine LA Motte Ave over Saline CR is a concrete tee beam carrying Mine LA Motte Ave over Saline CR in Madison County, Missouri. It was built in 1931, so it is 94 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 7,222 vehicles a day, roughly 11% of them trucks, projected to reach 9,389 by 2044. The structure is 133 ft (40.5 m) long and 43 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesMine LA Motte Ave
CrossesSaline CR
LocationS 2078 T 33 N R 7 E
RouteCity Street 152
Coordinates37.56164, -90.29275
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionDecember 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length133 ft (40.5 m)
Longest span48 ft (14.5 m)
Deck width43 ft (13.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,222 (2024)
Projected traffic9,389 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$1.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mine LA Motte Ave over Saline CR built?

It was built in 1931, making it 94 years old in 2025.

What condition is Mine LA Motte Ave over Saline CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does Mine LA Motte Ave over Saline CR carry?

About 7,222 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mine LA Motte Ave over Saline CR?

The structure is 133 ft (40.5 m) long with a longest span of 48 ft (14.5 m) and a deck 43 ft wide.

Who owns Mine LA Motte Ave over Saline CR?

It is owned by the City or Municipal Highway Agency.