US Bridges

East Louther St. over Letort Spring Run

Fair

Cumberland County, Pennsylvania · Carlisle Bor/Letort Sprgs · Structure no. 000000000014121

Built
1978
47 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
3,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

East Louther St. over Letort Spring Run is a concrete slab carrying East Louther St. over Letort Spring Run in Cumberland County, Pennsylvania. It was built in 1978, so it is 47 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 3,000 vehicles a day, roughly 3% of them trucks, projected to reach 4,200 by 2043. The structure is 31 ft (9.4 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEast Louther St.
CrossesLetort Spring Run
LocationCarlisle Bor/Letort Sprgs
RouteCity Street 0
CountyCumberland County
StatePennsylvania
Coordinates40.20253, -77.18301
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
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 rating69 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width56 ft (17.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic4,200 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 East Louther St. over Letort Spring Run built?

It was built in 1978, making it 47 years old in 2025.

What condition is East Louther St. over Letort Spring Run 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 East Louther St. over Letort Spring Run carry?

About 3,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is East Louther St. over Letort Spring Run?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 56 ft wide.

Who owns East Louther St. over Letort Spring Run?

It is owned by the City or Municipal Highway Agency.