US Bridges

Mo 3 S over Silver CR

Fair

Randolph County, Missouri · S 25 T 53 N R 16 W · Structure no. 5499

Built
1931
94 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
180 ft
4 main spans
Daily traffic
375
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 3 S over Silver CR is a steel stringer/multi-beam or girder carrying Mo 3 S over Silver CR in Randolph 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 fair condition with a lowest component rating of 5 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 375 vehicles a day, roughly 17% of them trucks, projected to reach 469 by 2044. The structure is 180 ft (54.9 m) long and 25 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesMo 3 S
CrossesSilver CR
LocationS 25 T 53 N R 16 W
RouteState Highway 3
Coordinates39.35508, -92.65825
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.8 US tons
Inventory rating13.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length180 ft (54.9 m)
Longest span52 ft (16 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2024)
Projected traffic469 by 2044
Trucks17%
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

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 3 S over Silver CR built?

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

What condition is Mo 3 S over Silver 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 January 2025.

How much traffic does Mo 3 S over Silver CR carry?

About 375 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Mo 3 S over Silver CR?

The structure is 180 ft (54.9 m) long with a longest span of 52 ft (16 m) and a deck 25 ft wide.

Who owns Mo 3 S over Silver CR?

It is owned by the State Highway Agency.