US Bridges

SH 14 Marion over Union Pacific RR

FairPosted for load

Marion County, Arkansas · 1.99 MI North of JCT of U · Structure no. 000000000001483

Built
1931
94 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
118 ft
3 main spans
Daily traffic
1,600
2018 count
Owner
State
State Highway Agency

About this bridge

SH 14 Marion over Union Pacific RR is a concrete tee beam carrying SH 14 Marion over Union Pacific RR in Marion County, Arkansas. It was built in 1931, so it is 94 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,600 vehicles a day, roughly 1% of them trucks, projected to reach 2,297 by 2028. The structure is 118 ft (35.9 m) long and 21 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesSH 14 Marion
CrossesUnion Pacific RR
Location1.99 MI North of JCT of U
RouteState Highway 14
Coordinates36.25269, -92.69064
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length118 ft (35.9 m)
Longest span48 ft (14.6 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2018)
Projected traffic2,297 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed24.9 mi (40 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$371,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 14 Marion over Union Pacific RR built?

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

What condition is SH 14 Marion over Union Pacific RR 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 June 2024.

How much traffic does SH 14 Marion over Union Pacific RR carry?

About 1,600 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 14 Marion over Union Pacific RR?

The structure is 118 ft (35.9 m) long with a longest span of 48 ft (14.6 m) and a deck 21 ft wide.

Who owns SH 14 Marion over Union Pacific RR?

It is owned by the State Highway Agency.