US Bridges

Spring RD over Gasconade Rvr

Good

Pulaski County, Missouri · S 20 T 35 N R 13 W · Structure no. 18262

Built
1988
37 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
262 ft
4 main spans
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

Spring RD over Gasconade Rvr is a prestressed concrete stringer/multi-beam or girder carrying Spring RD over Gasconade Rvr in Pulaski County, Missouri. It was built in 1988, so it is 37 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 195 by 2044. The structure is 262 ft (79.9 m) long and 27 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesSpring RD
CrossesGasconade Rvr
LocationS 20 T 35 N R 13 W
RouteCounty Highway 179
Coordinates37.75004, -92.39371
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating64.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length262 ft (79.9 m)
Longest span65 ft (19.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic195 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 Spring RD over Gasconade Rvr built?

It was built in 1988, making it 37 years old in 2025.

What condition is Spring RD over Gasconade 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 2024.

How much traffic does Spring RD over Gasconade Rvr carry?

About 150 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Spring RD over Gasconade Rvr?

The structure is 262 ft (79.9 m) long with a longest span of 65 ft (19.8 m) and a deck 27 ft wide.

Who owns Spring RD over Gasconade Rvr?

It is owned by the County Highway Agency.