US Bridges

Spring Bluff RD over Spring CR

Good

Franklin County, Missouri · S 31 T 41 N R 2 W · Structure no. 35885

Built
2019
6 years old
Condition
Good
inspected February 2025
Type
Tee Beam
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
1,800
2023 count
Owner
Local
Other Local Agency

About this bridge

Spring Bluff RD over Spring CR is a prestressed concrete tee beam carrying Spring Bluff RD over Spring CR in Franklin County, Missouri. It was built in 2019, so it is 6 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 1,800 vehicles a day, roughly 10% of them trucks, projected to reach 3,240 by 2043. The structure is 71 ft (21.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSpring Bluff RD
CrossesSpring CR
LocationS 31 T 41 N R 2 W
RouteCounty Highway 346
CountyFranklin County
StateMissouri
Coordinates38.2509, -91.1963
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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2025
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating72.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length71 ft (21.7 m)
Longest span68 ft (20.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic3,240 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Spring Bluff RD over Spring CR built?

It was built in 2019, making it 6 years old in 2025.

What condition is Spring Bluff RD over Spring 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 February 2025.

How much traffic does Spring Bluff RD over Spring CR carry?

About 1,800 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Spring Bluff RD over Spring CR?

The structure is 71 ft (21.7 m) long with a longest span of 68 ft (20.6 m) and a deck 31 ft wide.

Who owns Spring Bluff RD over Spring CR?

It is owned by the Other Local Agency.