US Bridges

County RD 508 over Br of Profits CR

Poor

Osage County, Missouri · S 30 T 42 N R 11 W · Structure no. 16346

Built
1960
65 years old
Condition
Poor
inspected April 2023
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 508 over Br of Profits CR is a concrete culvert carrying County RD 508 over Br of Profits CR in Osage County, Missouri. It was built in 1960, so it is 65 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 49 by 2043. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 508
CrossesBr of Profits CR
LocationS 30 T 42 N R 11 W
RouteCounty Highway 117
Coordinates38.35675, -92.17833
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic49 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 508 over Br of Profits CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is County RD 508 over Br of Profits CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does County RD 508 over Br of Profits CR carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 508 over Br of Profits CR?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 24 ft wide.

Who owns County RD 508 over Br of Profits CR?

It is owned by the County Highway Agency.