US Bridges

SR 690 over Mush Run

Fair

Athens County, Ohio · 0.3M N of JCT SR 550 · Structure no. 0505374

Built
1961
64 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
99 ft
3 main spans
Daily traffic
1,068
2018 count
Owner
State
State Highway Agency

About this bridge

SR 690 over Mush Run is a concrete continuous slab carrying SR 690 over Mush Run in Athens County, Ohio. It was built in 1961, so it is 64 years old, older 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 1,068 vehicles a day, roughly 7% of them trucks, projected to reach 1,482 by 2038. The structure is 99 ft (30.2 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesSR 690
CrossesMush Run
Location0.3M N of JCT SR 550
RouteState Highway 690
StateOhio
Coordinates39.38053, -81.99164
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length99 ft (30.2 m)
Longest span37 ft (11.4 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,068 (2018)
Projected traffic1,482 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 690 over Mush Run built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 690 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 May 2024.

How much traffic does SR 690 over Mush Run carry?

About 1,068 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is SR 690 over Mush Run?

The structure is 99 ft (30.2 m) long with a longest span of 37 ft (11.4 m) and a deck 32 ft wide.

Who owns SR 690 over Mush Run?

It is owned by the State Highway Agency.