US Bridges

Hollowbrook DR over Trib to Conodoguinet

Poor

Cumberland County, Pennsylvania · 3 Mi. N of Middlesex · Structure no. 000000000070350

Built
1901
124 years old
Condition
Poor
inspected April 2024
Type
Arch - Deck
Masonry
Length
27 ft
2 main spans
Daily traffic
500
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Hollowbrook DR over Trib to Conodoguinet is a masonry arch - deck carrying Hollowbrook DR over Trib to Conodoguinet in Cumberland County, Pennsylvania. It was built in 1901, so it is 124 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 550 by 2044. The structure is 27 ft (8.2 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHollowbrook DR
CrossesTrib to Conodoguinet
Location3 Mi. N of Middlesex
RouteCity Street 0
Coordinates40.27375, -77.13311
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic550 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hollowbrook DR over Trib to Conodoguinet built?

It was built in 1901, making it 124 years old in 2025.

What condition is Hollowbrook DR over Trib to Conodoguinet in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Hollowbrook DR over Trib to Conodoguinet carry?

About 500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Hollowbrook DR over Trib to Conodoguinet?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 22 ft wide.

Who owns Hollowbrook DR over Trib to Conodoguinet?

It is owned by the Town or Township Highway Agency.