US Bridges

Alcorn RD over Br of James Rvr

Fair

Webster County, Missouri · S 22 T 29 N R 17 W · Structure no. 23283

Built
1900
125 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
20
2023 count
Owner
Local
Other Local Agency

About this bridge

Alcorn RD over Br of James Rvr is a concrete continuous slab carrying Alcorn RD over Br of James Rvr in Webster County, Missouri. It was built in 1900, so it is 125 years old, older 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 33 by 2043. The structure is 25 ft (7.6 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesAlcorn RD
CrossesBr of James Rvr
LocationS 22 T 29 N R 17 W
RouteCounty Highway 400
CountyWebster County
StateMissouri
Coordinates37.19557, -92.7762
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadOther
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic33 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 Alcorn RD over Br of James Rvr built?

It was built in 1900, making it 125 years old in 2025.

What condition is Alcorn RD over Br of James Rvr 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 April 2023.

How much traffic does Alcorn RD over Br of James Rvr carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Alcorn RD over Br of James Rvr?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 21 ft wide.

Who owns Alcorn RD over Br of James Rvr?

It is owned by the Other Local Agency.