US Bridges

Rt Zz S over Fk of Gasconade Rv

Fair

Webster County, Missouri · S 29 T 32 N R 16 W · Structure no. 8328

Built
1963
62 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
347 ft
4 main spans
Daily traffic
215
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Zz S over Fk of Gasconade Rv is a steel continuous stringer/multi-beam or girder carrying Rt Zz S over Fk of Gasconade Rv in Webster County, Missouri. It was built in 1963, so it is 62 years old, older 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 215 vehicles a day, roughly 13% of them trucks, projected to reach 344 by 2044. The structure is 347 ft (105.8 m) long and 28 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesRt Zz S
CrossesFk of Gasconade Rv
LocationS 29 T 32 N R 16 W
RouteState Highway 0ZZ
Coordinates37.46053, -92.7236
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.7 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length347 ft (105.8 m)
Longest span96 ft (29.3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic215 (2024)
Projected traffic344 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Zz S over Fk of Gasconade Rv built?

It was built in 1963, making it 62 years old in 2025.

What condition is Rt Zz S over Fk of Gasconade Rv 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 November 2024.

How much traffic does Rt Zz S over Fk of Gasconade Rv carry?

About 215 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Rt Zz S over Fk of Gasconade Rv?

The structure is 347 ft (105.8 m) long with a longest span of 96 ft (29.3 m) and a deck 28 ft wide.

Who owns Rt Zz S over Fk of Gasconade Rv?

It is owned by the State Highway Agency.