US Bridges

SR 4004 over Conodoguinet Creek

Poor

Franklin County, Pennsylvania · 4.0 Mi.W.Upper Strasbur · Structure no. 000000000017571

Built
1825
200 years old
Condition
Poor
inspected April 2024
Type
Arch - Deck
Masonry
Length
61 ft
3 main spans
Daily traffic
609
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4004 over Conodoguinet Creek is a masonry arch - deck carrying SR 4004 over Conodoguinet Creek in Franklin County, Pennsylvania. It was built in 1825, so it is 200 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 609 vehicles a day, roughly 8% of them trucks, projected to reach 813 by 2032. The structure is 61 ft (18.6 m) long and 23 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesSR 4004
CrossesConodoguinet Creek
Location4.0 Mi.W.Upper Strasbur
RouteState Highway 0
CountyFranklin County
StatePennsylvania
Coordinates40.06615, -77.76181
Functional classRural Minor Collector

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
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating29 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans3
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span16 ft (4.9 m)
Deck width23 ft (6.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic609 (2024)
Projected traffic813 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$637,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4004 over Conodoguinet Creek built?

It was built in 1825, making it 200 years old in 2025.

What condition is SR 4004 over Conodoguinet Creek 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 SR 4004 over Conodoguinet Creek carry?

About 609 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 4004 over Conodoguinet Creek?

The structure is 61 ft (18.6 m) long with a longest span of 16 ft (4.9 m) and a deck 23 ft wide.

Who owns SR 4004 over Conodoguinet Creek?

It is owned by the State Highway Agency.