US Bridges

Jacobs Road over Maple Run

PoorPosted for load

Allegany County, Maryland · 5.61 Mi. S. of I-68 · Structure no. 200000A-0118010

Built
1978
47 years old
Condition
Poor
inspected October 2024
Type
Truss - Thru
Steel
Length
70 ft
1 main span
Daily traffic
22
2020 count
Owner
County
County Highway Agency

About this bridge

Jacobs Road over Maple Run is a steel truss - thru carrying Jacobs Road over Maple Run in Allegany County, Maryland. It was built in 1978, so it is 47 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 22 vehicles a day, roughly 5% of them trucks, projected to reach 23 by 2040. The structure is 70 ft (21.3 m) long and 14 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesJacobs Road
CrossesMaple Run
Location5.61 Mi. S. of I-68
RouteCounty Highway 538
Coordinates39.61284, -78.53125
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating27.4 US tons
Inventory rating16.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadH 15
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width14 ft (4.4 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2020)
Projected traffic23 by 2040
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Jacobs Road over Maple Run built?

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

What condition is Jacobs Road over Maple Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Jacobs Road over Maple Run carry?

About 22 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Jacobs Road over Maple Run?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 14 ft wide.

Who owns Jacobs Road over Maple Run?

It is owned by the County Highway Agency.