US Bridges

Gifford Trail over Sugar CR

FairPosted for load

Adair County, Missouri · S 15 T 61 N R 16 W · Structure no. 23107

Built
1981
44 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
122 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Gifford Trail over Sugar CR is a steel stringer/multi-beam or girder carrying Gifford Trail over Sugar CR in Adair County, Missouri. It was built in 1981, so it is 44 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 122 ft (37.2 m) long and 20 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesGifford Trail
CrossesSugar CR
LocationS 15 T 61 N R 16 W
RouteCounty Highway 390
CountyAdair County
StateMissouri
Coordinates40.08098, -92.68479
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.8 US tons
Inventory rating8.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadH 10
Structure length122 ft (37.2 m)
Longest span59 ft (18 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic39 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$838,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gifford Trail over Sugar CR built?

It was built in 1981, making it 44 years old in 2025.

What condition is Gifford Trail over 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 February 2024.

How much traffic does Gifford Trail over Sugar CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Gifford Trail over Sugar CR?

The structure is 122 ft (37.2 m) long with a longest span of 59 ft (18 m) and a deck 20 ft wide.

Who owns Gifford Trail over Sugar CR?

It is owned by the County Highway Agency.