US Bridges

Water Street T-605 over Wiconisco Creek

Fair

Dauphin County, Pennsylvania · .2SW Wmtwn/Wiconisco Crk · Structure no. 000000000014725

Built
1980
45 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

Water Street T-605 over Wiconisco Creek is a prestressed concrete box beam or girders - multiple carrying Water Street T-605 over Wiconisco Creek in Dauphin County, Pennsylvania. It was built in 1980, so it is 45 years old, younger 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 140 by 2043. The structure is 66 ft (20.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWater Street T-605
CrossesWiconisco Creek
Location.2SW Wmtwn/Wiconisco Crk
RouteCity Street 0
Coordinates40.5778, -76.6203
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span66 ft (20.1 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic140 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Water Street T-605 over Wiconisco Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Water Street T-605 over Wiconisco 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 July 2023.

How much traffic does Water Street T-605 over Wiconisco Creek carry?

About 100 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Water Street T-605 over Wiconisco Creek?

The structure is 66 ft (20.1 m) long with a longest span of 66 ft (20.1 m) and a deck 30 ft wide.

Who owns Water Street T-605 over Wiconisco Creek?

It is owned by the County Highway Agency.