US Bridges

County RD 638 over Scism CR

Good

Cape Girardeau County, Missouri · S 8 T 31 N R 14 E · Structure no. 34259

Built
2011
14 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
15
2024 count
Owner
Local
Other Local Agency

About this bridge

County RD 638 over Scism CR is a prestressed concrete box beam or girders - multiple carrying County RD 638 over Scism CR in Cape Girardeau County, Missouri. It was built in 2011, so it is 14 years old, younger 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 24 by 2044. The structure is 32 ft (9.7 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty RD 638
CrossesScism CR
LocationS 8 T 31 N R 14 E
RouteCounty Highway 77
Coordinates37.38098, -89.52637
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.7 m)
Longest span26 ft (8 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic24 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
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 2011, making it 14 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 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 638 over Scism CR?

The structure is 32 ft (9.7 m) long with a longest span of 26 ft (8 m) and a deck 32 ft wide.

Who owns County RD 638 over Scism CR?

It is owned by the Other Local Agency.