US Bridges

Mo 83 S over Mo 13

Fair

Polk County, Missouri · S 24 T 33 N R 23 W · Structure no. 29079

Built
2003
22 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
310 ft
2 main spans
Daily traffic
11,254
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 83 S over Mo 13 is a steel continuous stringer/multi-beam or girder carrying Mo 83 S over Mo 13 in Polk County, Missouri. It was built in 2003, so it is 22 years old, younger 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 6 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 11,254 vehicles a day, roughly 4% of them trucks, projected to reach 20,257 by 2044. The structure is 310 ft (94.5 m) long and 68 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMo 83 S
CrossesMo 13
LocationS 24 T 33 N R 23 W
RouteState Highway 83
Coordinates37.57513, -93.39859
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span135 ft (41 m)
Deck width68 ft (20.6 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,254 (2024)
Projected traffic20,257 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 83 S over Mo 13 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Mo 83 S over Mo 13 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 November 2023.

How much traffic does Mo 83 S over Mo 13 carry?

About 11,254 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Mo 83 S over Mo 13?

The structure is 310 ft (94.5 m) long with a longest span of 135 ft (41 m) and a deck 68 ft wide.

Who owns Mo 83 S over Mo 13?

It is owned by the State Highway Agency.