US Bridges

Shetland Dr. T-425 over Manada Creek

Good

Dauphin County, Pennsylvania · 1.3 MI N of S.R. 0039 · Structure no. 000000000014701

Built
1995
30 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
1,000
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Shetland Dr. T-425 over Manada Creek is a prestressed concrete box beam or girders - multiple carrying Shetland Dr. T-425 over Manada Creek in Dauphin County, Pennsylvania. It was built in 1995, so it is 30 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 4% of them trucks, projected to reach 1,200 by 2043. The structure is 68 ft (20.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesShetland Dr. T-425
CrossesManada Creek
Location1.3 MI N of S.R. 0039
RouteCity Street 0
Coordinates40.30923, -76.67168
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating89.9 US tons
Inventory rating49.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length68 ft (20.7 m)
Longest span67 ft (20.4 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,200 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$516,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Shetland Dr. T-425 over Manada Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Shetland Dr. T-425 over Manada Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Shetland Dr. T-425 over Manada Creek carry?

About 1,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Shetland Dr. T-425 over Manada Creek?

The structure is 68 ft (20.7 m) long with a longest span of 67 ft (20.4 m) and a deck 31 ft wide.

Who owns Shetland Dr. T-425 over Manada Creek?

It is owned by the Town or Township Highway Agency.