US Bridges

Purvis RD over Big CR

Fair

Cass County, Missouri · S 28 T 46 N R 30 W · Structure no. 16053

Built
1910
115 years old, rebuilt 1988
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
1 main span
Daily traffic
120
2024 count
Owner
County
County Highway Agency

About this bridge

Purvis RD over Big CR is a steel stringer/multi-beam or girder carrying Purvis RD over Big CR in Cass County, Missouri. It was built in 1910 and reconstructed in 1988, so it is 115 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 5 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 120 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2044. The structure is 64 ft (19.5 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPurvis RD
CrossesBig CR
LocationS 28 T 46 N R 30 W
RouteCounty Highway 108
Coordinates38.76935, -94.25341
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating27.8 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length64 ft (19.5 m)
Longest span59 ft (18 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2024)
Projected traffic192 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$336,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Purvis RD over Big CR built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1988.

What condition is Purvis RD over Big CR 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 April 2023.

How much traffic does Purvis RD over Big CR carry?

About 120 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Purvis RD over Big CR?

The structure is 64 ft (19.5 m) long with a longest span of 59 ft (18 m) and a deck 14 ft wide.

Who owns Purvis RD over Big CR?

It is owned by the County Highway Agency.