US Bridges

Mo 571 S over Is 49

Good

Jasper County, Missouri · S 21 T 28 N R 31 W · Structure no. 2989

Built
1983
42 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
350 ft
4 main spans
Daily traffic
2,977
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 571 S over Is 49 is a steel continuous stringer/multi-beam or girder carrying Mo 571 S over Is 49 in Jasper County, Missouri. It was built in 1983, so it is 42 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 2,977 vehicles a day, roughly 4% of them trucks, projected to reach 4,614 by 2044. The structure is 350 ft (106.7 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMo 571 S
CrossesIs 49
LocationS 21 T 28 N R 31 W
RouteState Highway 571
Coordinates37.13308, -94.31372
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.5 US tons
Inventory rating41.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length350 ft (106.7 m)
Longest span115 ft (35.1 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,977 (2024)
Projected traffic4,614 by 2044
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 571 S over Is 49 built?

It was built in 1983, making it 42 years old in 2025.

What condition is Mo 571 S over Is 49 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 August 2023.

How much traffic does Mo 571 S over Is 49 carry?

About 2,977 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Mo 571 S over Is 49?

The structure is 350 ft (106.7 m) long with a longest span of 115 ft (35.1 m) and a deck 28 ft wide.

Who owns Mo 571 S over Is 49?

It is owned by the State Highway Agency.