US Bridges

County RD 538 over Old Castor Rvr

Good

Stoddard County, Missouri · S 21 T 26 N R 12 E · Structure no. 15708

Built
1981
44 years old
Condition
Good
inspected January 2025
Type
Tee Beam
Concrete
Length
212 ft
5 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 538 over Old Castor Rvr is a concrete tee beam carrying County RD 538 over Old Castor Rvr in Stoddard County, Missouri. It was built in 1981, so it is 44 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2043. The structure is 212 ft (64.6 m) long and 17 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty RD 538
CrossesOld Castor Rvr
LocationS 21 T 26 N R 12 E
RouteCounty Highway 97
Coordinates36.87541, -89.76881
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length212 ft (64.6 m)
Longest span42 ft (12.8 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic46 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$928,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 538 over Old Castor Rvr built?

It was built in 1981, making it 44 years old in 2025.

What condition is County RD 538 over Old Castor Rvr 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 538 over Old Castor Rvr carry?

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

How long is County RD 538 over Old Castor Rvr?

The structure is 212 ft (64.6 m) long with a longest span of 42 ft (12.8 m) and a deck 17 ft wide.

Who owns County RD 538 over Old Castor Rvr?

It is owned by the County Highway Agency.