US Bridges

SR 1023 over Conley Creek

Fair

Dauphin County, Pennsylvania · 2 MI N.W. Carsonville · Structure no. 000000000014446

Built
1941
84 years old, rebuilt 2002
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
212
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1023 over Conley Creek is a steel stringer/multi-beam or girder carrying SR 1023 over Conley Creek in Dauphin County, Pennsylvania. It was built in 1941 and reconstructed in 2002, so it is 84 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 212 vehicles a day, roughly 6% of them trucks, projected to reach 227 by 2032. The structure is 32 ft (9.8 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 1023
CrossesConley Creek
Location2 MI N.W. Carsonville
RouteState Highway 0
CountyDauphin County
StatePennsylvania
Coordinates40.49401, -76.81121
Functional classRural Local

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 inspectionAugust 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating105.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic212 (2024)
Projected traffic227 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 SR 1023 over Conley Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 2002.

What condition is SR 1023 over Conley Creek 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 August 2024.

How much traffic does SR 1023 over Conley Creek carry?

About 212 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 1023 over Conley Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns SR 1023 over Conley Creek?

It is owned by the State Highway Agency.