US Bridges

Tappmeyer RD over Trib of Red Oak CR

Fair

Gasconade County, Missouri · S 3 T 41 N R 5 W · Structure no. 16852

Built
1900
125 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete
Length
31 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Tappmeyer RD over Trib of Red Oak CR is a concrete arch - deck carrying Tappmeyer RD over Trib of Red Oak CR in Gasconade County, Missouri. It was built in 1900, so it is 125 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 36 by 2044. The structure is 31 ft (9.4 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTappmeyer RD
CrossesTrib of Red Oak CR
LocationS 3 T 41 N R 5 W
RouteCounty Highway 134
CountyGasconade County
StateMissouri
Coordinates38.32458, -91.46567
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating18.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadOther
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width20 ft (6 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic36 by 2044
Trucks10%
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$196,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tappmeyer RD over Trib of Red Oak CR built?

It was built in 1900, making it 125 years old in 2025.

What condition is Tappmeyer RD over Trib of Red Oak 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 March 2024.

How much traffic does Tappmeyer RD over Trib of Red Oak CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Tappmeyer RD over Trib of Red Oak CR?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 20 ft wide.

Who owns Tappmeyer RD over Trib of Red Oak CR?

It is owned by the County Highway Agency.