US Bridges

SH 347 EB over KCS Railroad

Fair

Jefferson County, Texas · 3.4MI SE of FM 366 Inters · Structure no. 201240066701011

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
283 ft
5 main spans
Daily traffic
8,080
2013 count
Owner
State
State Highway Agency

About this bridge

SH 347 EB over KCS Railroad is a steel continuous stringer/multi-beam or girder carrying SH 347 EB over KCS Railroad in Jefferson County, Texas. It was built in 1965, so it is 60 years old, older than the Texas average of 44.4 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.

It carries about 8,080 vehicles a day, roughly 9% of them trucks, projected to reach 11,310 by 2033. The structure is 283 ft (86.3 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSH 347 EB
CrossesKCS Railroad
Location3.4MI SE of FM 366 Inters
RouteState Highway 347
CountyJefferson County
StateTexas
Coordinates29.95364, -93.96002
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length283 ft (86.3 m)
Longest span80 ft (24.4 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,080 (2013)
Projected traffic11,310 by 2033
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 347 EB over KCS Railroad built?

It was built in 1965, making it 60 years old in 2025.

What condition is SH 347 EB over KCS Railroad 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 July 2024.

How much traffic does SH 347 EB over KCS Railroad carry?

About 8,080 vehicles per day (2013 count), of which roughly 9% are trucks.

How long is SH 347 EB over KCS Railroad?

The structure is 283 ft (86.3 m) long with a longest span of 80 ft (24.4 m) and a deck 40 ft wide.

Who owns SH 347 EB over KCS Railroad?

It is owned by the State Highway Agency.