US Bridges

Rt H E over Barnett Prong Dry

Fair

Dent County, Missouri · S 21 T 34 N R 7 W · Structure no. 2236

Built
1970
55 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
138 ft
3 main spans
Daily traffic
475
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H E over Barnett Prong Dry is a steel continuous stringer/multi-beam or girder carrying Rt H E over Barnett Prong Dry in Dent County, Missouri. It was built in 1970, so it is 55 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 5 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 475 vehicles a day, roughly 12% of them trucks, projected to reach 665 by 2044. The structure is 138 ft (42.1 m) long and 31 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesRt H E
CrossesBarnett Prong Dry
LocationS 21 T 34 N R 7 W
RouteState Highway 0H
CountyDent County
StateMissouri
Coordinates37.63602, -91.70933
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length138 ft (42.1 m)
Longest span54 ft (16.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2024)
Projected traffic665 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

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 Rt H E over Barnett Prong Dry built?

It was built in 1970, making it 55 years old in 2025.

What condition is Rt H E over Barnett Prong Dry 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 January 2024.

How much traffic does Rt H E over Barnett Prong Dry carry?

About 475 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt H E over Barnett Prong Dry?

The structure is 138 ft (42.1 m) long with a longest span of 54 ft (16.5 m) and a deck 31 ft wide.

Who owns Rt H E over Barnett Prong Dry?

It is owned by the State Highway Agency.