US Bridges

Singer RD over Tavern CR

PoorPosted for load

Miller County, Missouri · S 27 T 41 N R 12 W · Structure no. 17213

Built
1910
115 years old
Condition
Poor
inspected January 2025
Type
Truss - Thru
Steel
Length
171 ft
1 main span
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

Singer RD over Tavern CR is a steel truss - thru carrying Singer RD over Tavern CR in Miller County, Missouri. It was built in 1910, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 43 by 2043. The structure is 171 ft (52.1 m) long and 12 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSinger RD
CrossesTavern CR
LocationS 27 T 41 N R 12 W
RouteCounty Highway 146
CountyMiller County
StateMissouri
Coordinates38.26722, -92.24129
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating8.9 US tons
Inventory rating6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+4 approach)
Design loadOther
Structure length171 ft (52.1 m)
Longest span121 ft (36.9 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic25 (2023)
Projected traffic43 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Singer RD over Tavern CR built?

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

What condition is Singer RD over Tavern CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does Singer RD over Tavern CR carry?

About 25 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Singer RD over Tavern CR?

The structure is 171 ft (52.1 m) long with a longest span of 121 ft (36.9 m) and a deck 12 ft wide.

Who owns Singer RD over Tavern CR?

It is owned by the County Highway Agency.