US Bridges

Swango RD over Unk.Stream

Fair

Gallia County, Ohio · 200W.OF Prospect Ch. · Structure no. 2742713

Built
1979
46 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
209
2015 count
Owner
County
County Highway Agency

About this bridge

Swango RD over Unk.Stream is a steel stringer/multi-beam or girder carrying Swango RD over Unk.Stream in Gallia County, Ohio. It was built in 1979, so it is 46 years old, younger than the Ohio average of 47.3 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 209 vehicles a day, roughly 7% of them trucks, projected to reach 290 by 2035. The structure is 22 ft (6.7 m) long and 15 ft wide.

Location

Open in Google Maps
CarriesSwango RD
CrossesUnk.Stream
Location200W.OF Prospect Ch.
RouteCounty Highway TO457
CountyGallia County
StateOhio
Coordinates38.91361, -82.25578
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width15 ft (4.6 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2015)
Projected traffic290 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Swango RD over Unk.Stream built?

It was built in 1979, making it 46 years old in 2025.

What condition is Swango RD over Unk.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 July 2024.

How much traffic does Swango RD over Unk.Stream carry?

About 209 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Swango RD over Unk.Stream?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 15 ft wide.

Who owns Swango RD over Unk.Stream?

It is owned by the County Highway Agency.