US Bridges

Boldt Ave over Black Fork CR

FairPosted for load

Smith County, Texas · 0.75 MI S of SH 64 · Structure no. 102120B00505001

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
920
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Boldt Ave over Black Fork CR is a concrete culvert carrying Boldt Ave over Black Fork CR in Smith County, Texas. It was built in 1975, so it is 50 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 5 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 920 vehicles a day, roughly 5% of them trucks, projected to reach 1,000 by 2035. The structure is 21 ft (6.4 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBoldt Ave
CrossesBlack Fork CR
Location0.75 MI S of SH 64
RouteCity Street 0
StateTexas
Coordinates32.32204, -95.2693
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width59 ft (18.1 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic920 (2015)
Projected traffic1,000 by 2035
Trucks5%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$104,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Boldt Ave over Black Fork CR built?

It was built in 1975, making it 50 years old in 2025.

What condition is Boldt Ave over Black Fork CR 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 September 2023.

How much traffic does Boldt Ave over Black Fork CR carry?

About 920 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Boldt Ave over Black Fork CR?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 59 ft wide.

Who owns Boldt Ave over Black Fork CR?

It is owned by the City or Municipal Highway Agency.