US Bridges

County RD 452 over Dtch No 1

Good

Scott County, Missouri · S 21 T 27 N R 13 E · Structure no. 16599

Built
1962
63 years old, rebuilt 1995
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 452 over Dtch No 1 is a steel stringer/multi-beam or girder carrying County RD 452 over Dtch No 1 in Scott County, Missouri. It was built in 1962 and reconstructed in 1995, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 49 by 2043. The structure is 61 ft (18.6 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty RD 452
CrossesDtch No 1
LocationS 21 T 27 N R 13 E
RouteCounty Highway 126
CountyScott County
StateMissouri
Coordinates36.97333, -89.65746
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating63.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length61 ft (18.6 m)
Longest span56 ft (17.1 m)
Deck width23 ft (6.9 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 structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 452 over Dtch No 1 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1995.

What condition is County RD 452 over Dtch No 1 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does County RD 452 over Dtch No 1 carry?

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

How long is County RD 452 over Dtch No 1?

The structure is 61 ft (18.6 m) long with a longest span of 56 ft (17.1 m) and a deck 23 ft wide.

Who owns County RD 452 over Dtch No 1?

It is owned by the County Highway Agency.