US Bridges

Timber Bridge Lane over Conewago Creek

Good

Lebanon County, Pennsylvania · 150 N of Mt Gretna RD · Structure no. 000000000047992

Built
2013
12 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
1 main span
Daily traffic
210
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Timber Bridge Lane over Conewago Creek is a wood or timber stringer/multi-beam or girder carrying Timber Bridge Lane over Conewago Creek in Lebanon County, Pennsylvania. It was built in 2013, so it is 12 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 210 vehicles a day, projected to reach 256 by 2038. The structure is 31 ft (9.4 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTimber Bridge Lane
CrossesConewago Creek
Location150 N of Mt Gretna RD
RouteCity Street 0
Coordinates40.24269, -76.47932
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 protection8 Very GoodNo problems noted.
Last inspectionJune 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93 US tons
Inventory rating65 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2018)
Projected traffic256 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollToll bridge
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Timber Bridge Lane over Conewago Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Timber Bridge Lane over Conewago 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 Timber Bridge Lane over Conewago Creek carry?

About 210 vehicles per day (2018 count).

How long is Timber Bridge Lane over Conewago Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 42 ft wide.

Who owns Timber Bridge Lane over Conewago Creek?

It is owned by the Town or Township Highway Agency.