US Bridges

Rochester RD over Gasconade Rvr

Fair

Pulaski County, Missouri · S 23 T 36 N R 13 W · Structure no. 17138

Built
1997
28 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
435 ft
9 main spans
Daily traffic
80
2024 count
Owner
County
County Highway Agency

About this bridge

Rochester RD over Gasconade Rvr is a wood or timber stringer/multi-beam or girder carrying Rochester RD over Gasconade Rvr in Pulaski County, Missouri. It was built in 1997, so it is 28 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 80 vehicles a day, roughly 10% of them trucks, projected to reach 104 by 2044. The structure is 435 ft (132.6 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesRochester RD
CrossesGasconade Rvr
LocationS 23 T 36 N R 13 W
RouteCounty Highway 143
Coordinates37.84199, -92.33684
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating36.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans9
Design loadHS 20
Structure length435 ft (132.6 m)
Longest span80 ft (24.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2024)
Projected traffic104 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Rochester RD over Gasconade Rvr built?

It was built in 1997, making it 28 years old in 2025.

What condition is Rochester RD over Gasconade Rvr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Rochester RD over Gasconade Rvr carry?

About 80 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rochester RD over Gasconade Rvr?

The structure is 435 ft (132.6 m) long with a longest span of 80 ft (24.4 m) and a deck 26 ft wide.

Who owns Rochester RD over Gasconade Rvr?

It is owned by the County Highway Agency.