US Bridges

County RD 3570 over Br of Meramec Rvr

Good

Phelps County, Missouri · S 35 T 37 N R 6 W · Structure no. 29683

Built
2002
23 years old
Condition
Good
inspected November 2023
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 3570 over Br of Meramec Rvr is a prestressed concrete slab carrying County RD 3570 over Br of Meramec Rvr in Phelps County, Missouri. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 30 ft (9.2 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 3570
CrossesBr of Meramec Rvr
LocationS 35 T 37 N R 6 W
RouteCounty Highway 132
Coordinates37.8843, -91.5543
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span30 ft (9.2 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic39 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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 3570 over Br of Meramec Rvr built?

It was built in 2002, making it 23 years old in 2025.

What condition is County RD 3570 over Br of Meramec 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 November 2023.

How much traffic does County RD 3570 over Br of Meramec Rvr carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 3570 over Br of Meramec Rvr?

The structure is 30 ft (9.2 m) long with a longest span of 30 ft (9.2 m) and a deck 23 ft wide.

Who owns County RD 3570 over Br of Meramec Rvr?

It is owned by the County Highway Agency.