US Bridges

Eagle DR over Unnamed Stream

FairPosted for load

Sullivan County, Missouri · S 1 T 63 N R 20 W · Structure no. 24339

Built
1970
55 years old, rebuilt 1982
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
2 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Eagle DR over Unnamed Stream is a steel stringer/multi-beam or girder carrying Eagle DR over Unnamed Stream in Sullivan County, Missouri. It was built in 1970 and reconstructed in 1982, 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 49 ft (14.9 m) long and 16 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesEagle DR
CrossesUnnamed Stream
LocationS 1 T 63 N R 20 W
RouteCounty Highway 479
Coordinates40.28797, -93.09094
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.9 US tons
Inventory rating11.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadOther
Structure length49 ft (14.9 m)
Longest span27 ft (8.2 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$399,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Eagle DR over Unnamed Stream built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1982.

What condition is Eagle 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 Eagle DR over Unnamed Stream carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Eagle DR over Unnamed Stream?

The structure is 49 ft (14.9 m) long with a longest span of 27 ft (8.2 m) and a deck 16 ft wide.

Who owns Eagle DR over Unnamed Stream?

It is owned by the County Highway Agency.