US Bridges

Coal DR over Unnamed CR

Poor

Sullivan County, Missouri · S 11 T 64 N R 21 W · Structure no. 13381

Built
1993
32 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Coal DR over Unnamed CR is a steel stringer/multi-beam or girder carrying Coal DR over Unnamed CR in Sullivan County, Missouri. It was built in 1993, so it is 32 years old, younger 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 4 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.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 11 by 2044. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCoal DR
CrossesUnnamed CR
LocationS 11 T 64 N R 21 W
RouteCounty Highway 37
CountySullivan County
StateMissouri
Coordinates40.36168, -93.21527
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic11 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$272,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Coal DR over Unnamed CR built?

It was built in 1993, making it 32 years old in 2025.

What condition is Coal DR over Unnamed 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 November 2023.

How much traffic does Coal DR over Unnamed CR carry?

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

How long is Coal DR over Unnamed CR?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 16 ft wide.

Who owns Coal DR over Unnamed CR?

It is owned by the County Highway Agency.