US Bridges

Hickory DR over Unnamed Stream

Fair

Sullivan County, Missouri · S 16 T 63 N R 18 W · Structure no. 18345

Built
1991
34 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Hickory DR over Unnamed Stream is a steel stringer/multi-beam or girder carrying Hickory DR over Unnamed Stream in Sullivan County, Missouri. It was built in 1991, so it is 34 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 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 30 ft (9.1 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHickory DR
CrossesUnnamed Stream
LocationS 16 T 63 N R 18 W
RouteCounty Highway 182
CountySullivan County
StateMissouri
Coordinates40.2635, -92.93183
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Hickory DR over Unnamed Stream built?

It was built in 1991, making it 34 years old in 2025.

What condition is Hickory DR over Unnamed Stream 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 Hickory DR over Unnamed Stream carry?

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Hickory DR over Unnamed Stream?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.

Who owns Hickory DR over Unnamed Stream?

It is owned by the County Highway Agency.