US Bridges

US 71 S over Lit Sugar CR

Fair

McDonald County, Missouri · S 34 T 21 N R 31 W · Structure no. 29423

Built
2003
22 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
657 ft
8 main spans
Daily traffic
11,222
2024 count
Owner
State
State Highway Agency

About this bridge

US 71 S over Lit Sugar CR is a steel continuous stringer/multi-beam or girder carrying US 71 S over Lit Sugar CR in McDonald 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 11,222 vehicles a day, roughly 5% of them trucks, projected to reach 23,566 by 2044. The structure is 657 ft (200.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 71 S
CrossesLit Sugar CR
LocationS 34 T 21 N R 31 W
RouteU.S. Route 71
Coordinates36.50204, -94.27414
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 25 or greater
Structure length657 ft (200.2 m)
Longest span85 ft (25.9 m)
Deck width45 ft (13.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,222 (2024)
Projected traffic23,566 by 2044
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 71 S over Lit Sugar CR built?

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

What condition is US 71 S over Lit Sugar CR 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 October 2024.

How much traffic does US 71 S over Lit Sugar CR carry?

About 11,222 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is US 71 S over Lit Sugar CR?

The structure is 657 ft (200.2 m) long with a longest span of 85 ft (25.9 m) and a deck 45 ft wide.

Who owns US 71 S over Lit Sugar CR?

It is owned by the State Highway Agency.