US Bridges

Hess RD over Long Br

Good

Chariton County, Missouri · S 30 T 55 N R 18 W · Structure no. 18961

Built
1920
105 years old, rebuilt 1989
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Hess RD over Long Br is a steel stringer/multi-beam or girder carrying Hess RD over Long Br in Chariton County, Missouri. It was built in 1920 and reconstructed in 1989, so it is 105 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 11 by 2044. The structure is 52 ft (15.8 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHess RD
CrossesLong Br
LocationS 30 T 55 N R 18 W
RouteCounty Highway 206
Coordinates39.53854, -92.97327
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating82.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length52 ft (15.8 m)
Longest span51 ft (15.5 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic11 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hess RD over Long Br built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1989.

What condition is Hess RD over Long Br in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Hess RD over Long Br carry?

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

How long is Hess RD over Long Br?

The structure is 52 ft (15.8 m) long with a longest span of 51 ft (15.5 m) and a deck 22 ft wide.

Who owns Hess RD over Long Br?

It is owned by the County Highway Agency.