US Bridges

County RD 480 over Dtch No 2

Fair

Scott County, Missouri · S 28 T 26 N R 13 E · Structure no. 16355

Built
1960
65 years old, rebuilt 1988
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
3 main spans
Daily traffic
30
2023 count
Owner
Local
Other Local Agency

About this bridge

County RD 480 over Dtch No 2 is a steel stringer/multi-beam or girder carrying County RD 480 over Dtch No 2 in Scott County, Missouri. It was built in 1960 and reconstructed in 1988, 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 fair condition with a lowest component rating of 6 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 42 by 2043. The structure is 67 ft (20.4 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 480
CrossesDtch No 2
LocationS 28 T 26 N R 13 E
RouteCounty Highway 117
Coordinates36.8678, -89.65083
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating28.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length67 ft (20.4 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic42 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

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 480 over Dtch No 2 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1988.

What condition is County RD 480 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 480 over Dtch No 2 carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 480 over Dtch No 2?

The structure is 67 ft (20.4 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns County RD 480 over Dtch No 2?

It is owned by the Other Local Agency.