US Bridges

County RD 517 over ST Francis Rvr

Good

Wayne County, Missouri · S 2 T 26 N R 7 E · Structure no. 31757

Built
2007
18 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
240 ft
3 main spans
Daily traffic
250
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 517 over ST Francis Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying County RD 517 over ST Francis Rvr in Wayne County, Missouri. It was built in 2007, so it is 18 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 313 by 2044. The structure is 240 ft (73.2 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty RD 517
CrossesST Francis Rvr
LocationS 2 T 26 N R 7 E
RouteCounty Highway 517
Coordinates36.92833, -90.26556
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 protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span85 ft (25.9 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2024)
Projected traffic313 by 2044
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty Highway 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 517 over ST Francis Rvr built?

It was built in 2007, making it 18 years old in 2025.

What condition is County RD 517 over ST Francis 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 December 2023.

How much traffic does County RD 517 over ST Francis Rvr carry?

About 250 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is County RD 517 over ST Francis Rvr?

The structure is 240 ft (73.2 m) long with a longest span of 85 ft (25.9 m) and a deck 25 ft wide.

Who owns County RD 517 over ST Francis Rvr?

It is owned by the County Highway Agency.