US Bridges

Pier Thirty One RD over Mo 5

Good

Camden County, Missouri · S 14 T 38 N R 17 W · Structure no. 31138

Built
2006
19 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
300 ft
2 main spans
Daily traffic
4,738
2024 count
Owner
State
State Highway Agency

About this bridge

Pier Thirty One RD over Mo 5 is a steel continuous stringer/multi-beam or girder carrying Pier Thirty One RD over Mo 5 in Camden County, Missouri. It was built in 2006, so it is 19 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,738 vehicles a day, roughly 11% of them trucks, projected to reach 9,476 by 2044. The structure is 300 ft (91.4 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPier Thirty One RD
CrossesMo 5
LocationS 14 T 38 N R 17 W
RouteCounty Highway 0
Coordinates38.03547, -92.76839
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.3 US tons
Inventory rating54.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span133 ft (40.5 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,738 (2024)
Projected traffic9,476 by 2044
Trucks11%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Pier Thirty One RD over Mo 5 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Pier Thirty One RD over Mo 5 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Pier Thirty One RD over Mo 5 carry?

About 4,738 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Pier Thirty One RD over Mo 5?

The structure is 300 ft (91.4 m) long with a longest span of 133 ft (40.5 m) and a deck 55 ft wide.

Who owns Pier Thirty One RD over Mo 5?

It is owned by the State Highway Agency.