US Bridges

Mo 129 S over Shoal CR

Fair

Putnam County, Missouri · S 35 T 67 N R 18 W · Structure no. 9602

Built
1947
78 years old, rebuilt 2014
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
122 ft
3 main spans
Daily traffic
217
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 129 S over Shoal CR is a steel stringer/multi-beam or girder carrying Mo 129 S over Shoal CR in Putnam County, Missouri. It was built in 1947 and reconstructed in 2014, so it is 78 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 217 vehicles a day, roughly 21% of them trucks, projected to reach 271 by 2044. The structure is 122 ft (37.2 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesMo 129 S
CrossesShoal CR
LocationS 35 T 67 N R 18 W
RouteState Highway 129
CountyPutnam County
StateMissouri
Coordinates40.56478, -92.89653
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length122 ft (37.2 m)
Longest span60 ft (18.3 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic217 (2024)
Projected traffic271 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 129 S over Shoal CR built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2014.

What condition is Mo 129 S over Shoal 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 December 2023.

How much traffic does Mo 129 S over Shoal CR carry?

About 217 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Mo 129 S over Shoal CR?

The structure is 122 ft (37.2 m) long with a longest span of 60 ft (18.3 m) and a deck 22 ft wide.

Who owns Mo 129 S over Shoal CR?

It is owned by the State Highway Agency.