US Bridges

SR 4008 over Conewago Creek

Fair

Adams County, Pennsylvania · 1 MI N of Arendtsville · Structure no. 000000000000366

Built
1957
68 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
1,081
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4008 over Conewago Creek is a steel stringer/multi-beam or girder carrying SR 4008 over Conewago Creek in Adams County, Pennsylvania. It was built in 1957, so it is 68 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 5 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 1,081 vehicles a day, roughly 6% of them trucks, projected to reach 1,733 by 2032. The structure is 58 ft (17.7 m) long and 35 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSR 4008
CrossesConewago Creek
Location1 MI N of Arendtsville
RouteState Highway 0
CountyAdams County
StatePennsylvania
Coordinates39.93357, -77.30268
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span52 ft (15.8 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,081 (2024)
Projected traffic1,733 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$83,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4008 over Conewago Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR 4008 over Conewago 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 April 2023.

How much traffic does SR 4008 over Conewago Creek carry?

About 1,081 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 4008 over Conewago Creek?

The structure is 58 ft (17.7 m) long with a longest span of 52 ft (15.8 m) and a deck 35 ft wide.

Who owns SR 4008 over Conewago Creek?

It is owned by the State Highway Agency.