US Bridges

Pa 999;BLUE Rk.Rd. over Little Conestoga Creek

Fair

Lancaster County, Pennsylvania · West of Millersville · Structure no. 000000000021367

Built
1963
62 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
106 ft
2 main spans
Daily traffic
5,626
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 999;BLUE Rk.Rd. over Little Conestoga Creek is a prestressed concrete box beam or girders - multiple carrying Pa 999;BLUE Rk.Rd. over Little Conestoga Creek in Lancaster County, Pennsylvania. It was built in 1963, so it is 62 years old, older 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 5 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 5,626 vehicles a day, roughly 2% of them trucks, projected to reach 11,701 by 2032. The structure is 106 ft (32.3 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPa 999;BLUE Rk.Rd.
CrossesLittle Conestoga Creek
LocationWest of Millersville
RouteState Highway 999
Coordinates40.00617, -76.37411
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating92 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span52 ft (15.8 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,626 (2023)
Projected traffic11,701 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Pa 999;BLUE Rk.Rd. over Little Conestoga Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Pa 999;BLUE Rk.Rd. over Little Conestoga 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 August 2024.

How much traffic does Pa 999;BLUE Rk.Rd. over Little Conestoga Creek carry?

About 5,626 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Pa 999;BLUE Rk.Rd. over Little Conestoga Creek?

The structure is 106 ft (32.3 m) long with a longest span of 52 ft (15.8 m) and a deck 42 ft wide.

Who owns Pa 999;BLUE Rk.Rd. over Little Conestoga Creek?

It is owned by the State Highway Agency.