US Bridges

Mo 13 S over Coal CR

Fair

Henry County, Missouri · S 12 T 40 N R 26 W · Structure no. 445

Built
1964
61 years old, rebuilt 1999
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
41 ft
3 main spans
Daily traffic
15,971
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 13 S over Coal CR is a concrete continuous culvert carrying Mo 13 S over Coal CR in Henry County, Missouri. It was built in 1964 and reconstructed in 1999, so it is 61 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 15,971 vehicles a day, roughly 20% of them trucks, projected to reach 27,949 by 2044. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMo 13 S
CrossesCoal CR
LocationS 12 T 40 N R 26 W
RouteState Highway 13
CountyHenry County
StateMissouri
Coordinates38.35704, -93.75492
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length41 ft (12.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,971 (2024)
Projected traffic27,949 by 2044
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 13 S over Coal CR built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1999.

What condition is Mo 13 S over Coal 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 March 2023.

How much traffic does Mo 13 S over Coal CR carry?

About 15,971 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Mo 13 S over Coal CR?

The structure is 41 ft (12.5 m) long with a longest span of 10 ft (3 m).

Who owns Mo 13 S over Coal CR?

It is owned by the State Highway Agency.