US Bridges

Pa 233;ROCK Mtn RD over Rocky Mt CR

Fair

Franklin County, Pennsylvania · 2 MI S Caledonia · Structure no. 000000000017403

Built
1950
75 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
1,272
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 233;ROCK Mtn RD over Rocky Mt CR is a concrete slab carrying Pa 233;ROCK Mtn RD over Rocky Mt CR in Franklin County, Pennsylvania. It was built in 1950, so it is 75 years old, older than the Pennsylvania average of 54.8 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 1,272 vehicles a day, roughly 7% of them trucks, projected to reach 2,140 by 2032. The structure is 25 ft (7.6 m) long and 35 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesPa 233;ROCK Mtn RD
CrossesRocky Mt CR
Location2 MI S Caledonia
RouteState Highway 233
CountyFranklin County
StatePennsylvania
Coordinates39.87754, -77.49147
Functional classRural Major 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 10
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width35 ft (10.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,272 (2024)
Projected traffic2,140 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$458,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 233;ROCK Mtn RD over Rocky Mt CR built?

It was built in 1950, making it 75 years old in 2025.

What condition is Pa 233;ROCK Mtn RD over Rocky Mt CR 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 June 2024.

How much traffic does Pa 233;ROCK Mtn RD over Rocky Mt CR carry?

About 1,272 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Pa 233;ROCK Mtn RD over Rocky Mt CR?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 35 ft wide.

Who owns Pa 233;ROCK Mtn RD over Rocky Mt CR?

It is owned by the State Highway Agency.