US Bridges

Rt M S over Shelters CR

PoorPosted for load

Madison County, Missouri · S 12 T 31 N R 7 E · Structure no. 8987

Built
1934
91 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
3 main spans
Daily traffic
390
2024 count
Owner
State
State Highway Agency

About this bridge

Rt M S over Shelters CR is a steel stringer/multi-beam or girder carrying Rt M S over Shelters CR in Madison County, Missouri. It was built in 1934, so it is 91 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. Its operating status is: posted for load restriction.

It carries about 390 vehicles a day, roughly 11% of them trucks, projected to reach 546 by 2044. The structure is 127 ft (38.7 m) long and 21 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesRt M S
CrossesShelters CR
LocationS 12 T 31 N R 7 E
RouteState Highway 0M
Coordinates37.37821, -90.22667
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.8 US tons
Inventory rating10.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length127 ft (38.7 m)
Longest span43 ft (13.1 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2024)
Projected traffic546 by 2044
Trucks11%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt M S over Shelters CR built?

It was built in 1934, making it 91 years old in 2025.

What condition is Rt M S over Shelters 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 October 2024.

How much traffic does Rt M S over Shelters CR carry?

About 390 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt M S over Shelters CR?

The structure is 127 ft (38.7 m) long with a longest span of 43 ft (13.1 m) and a deck 21 ft wide.

Who owns Rt M S over Shelters CR?

It is owned by the State Highway Agency.