US Bridges

Mo 13 N over Table Rock Lk

Poor

Stone County, Missouri · S 9 T 22 N R 23 W · Structure no. 413

Built
1956
69 years old, rebuilt 2015
Condition
Poor
inspected July 2023
Type
Truss - Thru
Steel Continuous
Length
1,862 ft
3 main spans
Daily traffic
9,320
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 13 N over Table Rock Lk is a steel continuous truss - thru carrying Mo 13 N over Table Rock Lk in Stone County, Missouri. It was built in 1956 and reconstructed in 2015, so it is 69 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.

It carries about 9,320 vehicles a day, roughly 5% of them trucks, projected to reach 16,310 by 2044. The structure is 1,862 ft (567.5 m) long and 25 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesMo 13 N
CrossesTable Rock Lk
LocationS 9 T 22 N R 23 W
RouteState Highway 13
Coordinates36.62374, -93.42056
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadH 15
Structure length1,862 ft (567.5 m)
Longest span480 ft (146.3 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic9,320 (2024)
Projected traffic16,310 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$65.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 13 N over Table Rock Lk built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2015.

What condition is Mo 13 N over Table Rock Lk 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 July 2023.

How much traffic does Mo 13 N over Table Rock Lk carry?

About 9,320 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 13 N over Table Rock Lk?

The structure is 1,862 ft (567.5 m) long with a longest span of 480 ft (146.3 m) and a deck 25 ft wide.

Who owns Mo 13 N over Table Rock Lk?

It is owned by the State Highway Agency.