US Bridges

County RD 638 over Scism CR

Good

Cape Girardeau County, Missouri · S 8 T 31 N R 14 E · Structure no. 14861

Built
1950
75 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
20
2024 count
Owner
Local
Other Local Agency

About this bridge

County RD 638 over Scism CR is a concrete continuous culvert carrying County RD 638 over Scism CR in Cape Girardeau County, Missouri. It was built in 1950, so it is 75 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 32 by 2044. The structure is 38 ft (11.6 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty RD 638
CrossesScism CR
LocationS 8 T 31 N R 14 E
RouteCounty Highway 77
Coordinates37.37111, -89.51353
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length38 ft (11.6 m)
Longest span17 ft (5.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic32 by 2044
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

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 638 over Scism CR built?

It was built in 1950, making it 75 years old in 2025.

What condition is County RD 638 over Scism CR 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 2024.

How much traffic does County RD 638 over Scism CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 638 over Scism CR?

The structure is 38 ft (11.6 m) long with a longest span of 17 ft (5.3 m) and a deck 26 ft wide.

Who owns County RD 638 over Scism CR?

It is owned by the Other Local Agency.