US Bridges

East Shell Ave over Williamson Branch

Fair

Bell County, Texas · 0.80 MI SW of Lp 363 · Structure no. 090140B00116001

Built
1948
77 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
50 ft
2 main spans
Daily traffic
705
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

East Shell Ave over Williamson Branch is a concrete slab carrying East Shell Ave over Williamson Branch in Bell County, Texas. It was built in 1948, so it is 77 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 705 vehicles a day, roughly 17% of them trucks, projected to reach 1,470 by 2033. The structure is 50 ft (15.2 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEast Shell Ave
CrossesWilliamson Branch
Location0.80 MI SW of Lp 363
RouteCity Street 116
StateTexas
Coordinates31.11243, -97.32514
Functional classUrban Minor 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length50 ft (15.2 m)
Longest span25 ft (7.6 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic705 (2020)
Projected traffic1,470 by 2033
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$313,000
NavigationNo navigation control on waterway

Frequently asked questions

When was East Shell Ave over Williamson Branch built?

It was built in 1948, making it 77 years old in 2025.

What condition is East Shell Ave over Williamson Branch 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 December 2023.

How much traffic does East Shell Ave over Williamson Branch carry?

About 705 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is East Shell Ave over Williamson Branch?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns East Shell Ave over Williamson Branch?

It is owned by the City or Municipal Highway Agency.