US Bridges

Swope School RD over Coon CR

Good

Montgomery County, Missouri · S 8 T 50 N R 5 W · Structure no. 13781

Built
1982
43 years old
Condition
Good
inspected February 2025
Type
Tee Beam
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Swope School RD over Coon CR is a prestressed concrete tee beam carrying Swope School RD over Coon CR in Montgomery County, Missouri. It was built in 1982, so it is 43 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2043. The structure is 63 ft (19.2 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSwope School RD
CrossesCoon CR
LocationS 8 T 50 N R 5 W
RouteCounty Highway 47
CountyMontgomery County
StateMissouri
Coordinates39.11564, -91.498
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length63 ft (19.2 m)
Longest span57 ft (17.4 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic63 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Swope School RD over Coon CR built?

It was built in 1982, making it 43 years old in 2025.

What condition is Swope School RD over Coon CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Swope School RD over Coon CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Swope School RD over Coon CR?

The structure is 63 ft (19.2 m) long with a longest span of 57 ft (17.4 m) and a deck 23 ft wide.

Who owns Swope School RD over Coon CR?

It is owned by the County Highway Agency.