US Bridges

Gray Ave over Barkers CR

PoorClosed to traffic

Benton County, Missouri · S 30 T 43 N R 23 W · Structure no. 15407

Built
1940
85 years old
Condition
Poor
inspected January 2022
Type
Truss - Thru
Steel
Length
78 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Gray Ave over Barkers CR is a steel truss - thru carrying Gray Ave over Barkers CR in Benton County, Missouri. It was built in 1940, so it is 85 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 78 ft (23.8 m) long and 13 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGray Ave
CrossesBarkers CR
LocationS 30 T 43 N R 23 W
RouteCounty Highway 93
Coordinates38.48303, -93.49811
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length78 ft (23.8 m)
Longest span48 ft (14.6 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$583,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gray Ave over Barkers CR built?

It was built in 1940, making it 85 years old in 2025.

What condition is Gray Ave over Barkers CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2022.

How much traffic does Gray Ave over Barkers CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Gray Ave over Barkers CR?

The structure is 78 ft (23.8 m) long with a longest span of 48 ft (14.6 m) and a deck 13 ft wide.

Who owns Gray Ave over Barkers CR?

It is owned by the County Highway Agency.