US Bridges

SR1830 over Mill Creek

Good

Jefferson County, Pennsylvania · 0.2 MI W SR 1008 Intersec · Structure no. 000000000056986

Built
2019
6 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
260
2023 count
Owner
State
State Highway Agency

About this bridge

SR1830 over Mill Creek is a steel stringer/multi-beam or girder carrying SR1830 over Mill Creek in Jefferson County, Pennsylvania. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 260 vehicles a day, roughly 10% of them trucks, projected to reach 302 by 2032. The structure is 65 ft (19.8 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR1830
CrossesMill Creek
Location0.2 MI W SR 1008 Intersec
RouteState Highway 830
Coordinates41.20025, -78.90681
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span62 ft (18.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2023)
Projected traffic302 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1830 over Mill Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR1830 over Mill 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 September 2022.

How much traffic does SR1830 over Mill Creek carry?

About 260 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR1830 over Mill Creek?

The structure is 65 ft (19.8 m) long with a longest span of 62 ft (18.9 m) and a deck 35 ft wide.

Who owns SR1830 over Mill Creek?

It is owned by the State Highway Agency.