US Bridges

T808 Maple Grve RD over Mill Creek

Fair

Lancaster County, Pennsylvania · 500 Ft South of T-537 · Structure no. 000000000021888

Built
1972
53 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
750
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T808 Maple Grve RD over Mill Creek is a prestressed concrete box beam or girders - multiple carrying T808 Maple Grve RD over Mill Creek in Lancaster County, Pennsylvania. It was built in 1972, so it is 53 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 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 750 vehicles a day, roughly 3% of them trucks, projected to reach 1,000 by 2031. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT808 Maple Grve RD
CrossesMill Creek
Location500 Ft South of T-537
RouteCity Street 0
Coordinates40.07635, -76.09647
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment6: Equal to present minimum criteria
Operating rating83 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2011)
Projected traffic1,000 by 2031
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was T808 Maple Grve RD over Mill Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is T808 Maple Grve RD over Mill 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 November 2023.

How much traffic does T808 Maple Grve RD over Mill Creek carry?

About 750 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is T808 Maple Grve RD over Mill Creek?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns T808 Maple Grve RD over Mill Creek?

It is owned by the Town or Township Highway Agency.