US Bridges

County RD 468 over Dtch No 1

PoorClosed to traffic

Scott County, Missouri · S 33 T 27 N R 13 E · Structure no. 16504

Built
1962
63 years old, rebuilt 1983
Condition
Poor
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 468 over Dtch No 1 is a steel stringer/multi-beam or girder carrying County RD 468 over Dtch No 1 in Scott County, Missouri. It was built in 1962 and reconstructed in 1983, so it is 63 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 2 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. Its operating status is: closed to all traffic.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2043. The structure is 52 ft (15.8 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty RD 468
CrossesDtch No 1
LocationS 33 T 27 N R 13 E
RouteCounty Highway 123
Coordinates36.9371, -89.65327
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length52 ft (15.8 m)
Longest span49 ft (14.9 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic35 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$416,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 468 over Dtch No 1 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1983.

What condition is County RD 468 over Dtch No 1 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 January 2023.

How much traffic does County RD 468 over Dtch No 1 carry?

About 25 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 468 over Dtch No 1?

The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.

Who owns County RD 468 over Dtch No 1?

It is owned by the County Highway Agency.