US Bridges

County RD 530 over Drain Dtch

Fair

Scott County, Missouri · S 30 T 27 N R 15 E · Structure no. 15402

Built
1990
35 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
25 ft
4 main spans
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 530 over Drain Dtch is a steel culvert carrying County RD 530 over Drain Dtch in Scott County, Missouri. It was built in 1990, so it is 35 years old, younger 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 105 by 2043. The structure is 25 ft (7.6 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty RD 530
CrossesDrain Dtch
LocationS 30 T 27 N R 15 E
RouteCounty Highway 93
Coordinates36.95026, -89.48138
Functional classRural Local

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 inspectionJanuary 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadOther
Structure length25 ft (7.6 m)
Longest span5 ft (1.5 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic105 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 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 530 over Drain Dtch built?

It was built in 1990, making it 35 years old in 2025.

What condition is County RD 530 over Drain Dtch 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 January 2025.

How much traffic does County RD 530 over Drain Dtch carry?

About 75 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 530 over Drain Dtch?

The structure is 25 ft (7.6 m) long with a longest span of 5 ft (1.5 m) and a deck 22 ft wide.

Who owns County RD 530 over Drain Dtch?

It is owned by the County Highway Agency.