US Bridges

CR34 over Mush Run

Fair

Athens County, Ohio · Jcn of SR690 · Structure no. 0546550

Built
1991
34 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
197
2015 count
Owner
County
County Highway Agency

About this bridge

CR34 over Mush Run is a prestressed concrete box beam or girders - multiple carrying CR34 over Mush Run in Athens County, Ohio. It was built in 1991, so it is 34 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 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 197 vehicles a day, roughly 8% of them trucks, projected to reach 273 by 2042. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR34
CrossesMush Run
LocationJcn of SR690
RouteCounty Highway C0034
StateOhio
Coordinates39.36014, -81.98035
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.2 US tons
Inventory rating59.3 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic197 (2015)
Projected traffic273 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 CR34 over Mush Run built?

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

What condition is CR34 over Mush Run 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 November 2024.

How much traffic does CR34 over Mush Run carry?

About 197 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is CR34 over Mush Run?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns CR34 over Mush Run?

It is owned by the County Highway Agency.