US Bridges

County RD 470 over Dtch No 2

Fair

Scott County, Missouri · S 32 T 27 N R 13 E · Structure no. 16478

Built
1965
60 years old, rebuilt 1990
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
3 main spans
Daily traffic
20
2023 count
Owner
Local
Other Local Agency

About this bridge

County RD 470 over Dtch No 2 is a steel stringer/multi-beam or girder carrying County RD 470 over Dtch No 2 in Scott County, Missouri. It was built in 1965 and reconstructed in 1990, so it is 60 years old, older 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2043. The structure is 74 ft (22.6 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty RD 470
CrossesDtch No 2
LocationS 32 T 27 N R 13 E
RouteCounty Highway 122
Coordinates36.93293, -89.67072
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating22.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length74 ft (22.6 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic28 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 470 over Dtch No 2 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1990.

What condition is County RD 470 over Dtch No 2 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 470 over Dtch No 2 carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 470 over Dtch No 2?

The structure is 74 ft (22.6 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns County RD 470 over Dtch No 2?

It is owned by the Other Local Agency.