US Bridges

CR 840 over Colfelt Br

Good

Perry County, Missouri · S 830 T 36 N R 9 E · Structure no. 36621

Built
2021
4 years old
Condition
Good
inspected January 2025
Type
Channel Beam
Concrete
Length
44 ft
1 main span
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

CR 840 over Colfelt Br is a concrete channel beam carrying CR 840 over Colfelt Br in Perry County, Missouri. It was built in 2021, so it is 4 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 14 by 2043. The structure is 44 ft (13.4 m) long and 23 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCR 840
CrossesColfelt Br
LocationS 830 T 36 N R 9 E
RouteCounty Highway 75
CountyPerry County
StateMissouri
Coordinates37.78383, -89.99875
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic14 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 840 over Colfelt Br built?

It was built in 2021, making it 4 years old in 2025.

What condition is CR 840 over Colfelt Br 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 January 2025.

How much traffic does CR 840 over Colfelt Br carry?

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

How long is CR 840 over Colfelt Br?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 23 ft wide.

Who owns CR 840 over Colfelt Br?

It is owned by the County Highway Agency.