US Bridges

Mo 13 S over Missouri Rvr UP RR

Fair

Ray County, Missouri · S 35 T 51 N R 27 W · Structure no. 29351

Built
2002
23 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
4,084 ft
2 main spans
Daily traffic
6,240
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 13 S over Missouri Rvr UP RR is a steel continuous stringer/multi-beam or girder carrying Mo 13 S over Missouri Rvr UP RR in Ray County, Missouri. It was built in 2002, so it is 23 years old, younger 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 6,240 vehicles a day, roughly 10% of them trucks, projected to reach 10,920 by 2044. The structure is 4,084 ft (1,244.7 m) long and 79 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

Location

Open in Google Maps
CarriesMo 13 S
CrossesMissouri Rvr UP RR
LocationS 35 T 51 N R 27 W
RouteState Highway 13
CountyRay County
StateMissouri
Coordinates39.21011, -93.86351
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+23 approach)
Design loadHS 25 or greater
Structure length4,084 ft (1,244.7 m)
Longest span472 ft (144 m)
Deck width79 ft (24.2 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,240 (2024)
Projected traffic10,920 by 2044
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed54.1 mi (87 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Mo 13 S over Missouri Rvr UP RR built?

It was built in 2002, making it 23 years old in 2025.

What condition is Mo 13 S over Missouri Rvr UP RR 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 May 2023.

How much traffic does Mo 13 S over Missouri Rvr UP RR carry?

About 6,240 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 13 S over Missouri Rvr UP RR?

The structure is 4,084 ft (1,244.7 m) long with a longest span of 472 ft (144 m) and a deck 79 ft wide.

Who owns Mo 13 S over Missouri Rvr UP RR?

It is owned by the State Highway Agency.