US Bridges

County RD 508 over Branch

Good

Monroe County, Missouri · S 25 T 56 N R 8 W · Structure no. 24544

Built
2001
24 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 508 over Branch is a concrete culvert carrying County RD 508 over Branch in Monroe County, Missouri. It was built in 2001, so it is 24 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 33 ft (10.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty RD 508
CrossesBranch
LocationS 25 T 56 N R 8 W
RouteCounty Highway 508
CountyMonroe County
StateMissouri
Coordinates39.61375, -91.73856
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed3.7 mi (6 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 County RD 508 over Branch built?

It was built in 2001, making it 24 years old in 2025.

What condition is County RD 508 over Branch 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 June 2024.

How much traffic does County RD 508 over Branch carry?

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

How long is County RD 508 over Branch?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m).

Who owns County RD 508 over Branch?

It is owned by the County Highway Agency.