US Bridges

T-505 over Unt Little Swatara Creek

Good

Lebanon County, Pennsylvania · North Lebanon · Structure no. 000000000069784

Built
2007
18 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
150
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-505 over Unt Little Swatara Creek is a concrete culvert carrying T-505 over Unt Little Swatara Creek in Lebanon County, Pennsylvania. It was built in 2007, so it is 18 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 150 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2039. The structure is 20 ft (6.1 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-505
CrossesUnt Little Swatara Creek
LocationNorth Lebanon
Coordinates40.36964, -76.44677
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic150 by 2039
Trucks1%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-505 over Unt Little Swatara Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is T-505 over Unt Little Swatara 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 May 2023.

How much traffic does T-505 over Unt Little Swatara Creek carry?

About 150 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is T-505 over Unt Little Swatara Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns T-505 over Unt Little Swatara Creek?

It is owned by the Town or Township Highway Agency.