US Bridges

Pa 230; H-Burg Pk. over Mill Race

Fair

Dauphin County, Pennsylvania · Middletown Boro · Structure no. 000000000014332

Built
1931
94 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
25 ft
1 main span
Daily traffic
6,614
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 230; H-Burg Pk. over Mill Race is a concrete tee beam carrying Pa 230; H-Burg Pk. over Mill Race in Dauphin County, Pennsylvania. It was built in 1931, so it is 94 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 6,614 vehicles a day, roughly 2% of them trucks, projected to reach 8,110 by 2032. The structure is 25 ft (7.6 m) long and 55 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesPa 230; H-Burg Pk.
CrossesMill Race
LocationMiddletown Boro
RouteState Highway 230
CountyDauphin County
StatePennsylvania
Coordinates40.20037, -76.71752
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,614 (2023)
Projected traffic8,110 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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 230; H-Burg Pk. over Mill Race built?

It was built in 1931, making it 94 years old in 2025.

What condition is Pa 230; H-Burg Pk. over Mill Race 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 230; H-Burg Pk. over Mill Race carry?

About 6,614 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Pa 230; H-Burg Pk. over Mill Race?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 55 ft wide.

Who owns Pa 230; H-Burg Pk. over Mill Race?

It is owned by the State Highway Agency.