US Bridges

Kemna Bridge RD over Tavern CR

PoorPosted for load

Miller County, Missouri · S 3 T 40 N R 12 W · Structure no. 17571

Built
1910
115 years old, rebuilt 1978
Condition
Poor
inspected January 2025
Type
Suspension
Steel Continuous
Length
167 ft
1 main span
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

Kemna Bridge RD over Tavern CR is a steel continuous suspension carrying Kemna Bridge RD over Tavern CR in Miller County, Missouri. It was built in 1910 and reconstructed in 1978, 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 45 vehicles a day, roughly 10% of them trucks, projected to reach 77 by 2043. The structure is 167 ft (50.9 m) long and 12 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesKemna Bridge RD
CrossesTavern CR
LocationS 3 T 40 N R 12 W
RouteCounty Highway 156
Coordinates38.24719, -92.24549
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating19.8 US tons
Inventory rating14.9 US tons

Structure

Structure typeSuspension
MaterialSteel Continuous
DeckCorrugated steel
Main spans1
Design loadOther
Structure length167 ft (50.9 m)
Longest span167 ft (50.9 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deck13 ft (3.9 m)

Traffic and service

Average daily traffic45 (2023)
Projected traffic77 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Kemna Bridge RD over Tavern CR built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1978.

What condition is Kemna Bridge 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 Kemna Bridge RD over Tavern CR carry?

About 45 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Kemna Bridge RD over Tavern CR?

The structure is 167 ft (50.9 m) long with a longest span of 167 ft (50.9 m) and a deck 12 ft wide.

Who owns Kemna Bridge RD over Tavern CR?

It is owned by the County Highway Agency.