US Bridges

SP 345 / Fred. Rd. over IH 410

Fair

Bexar County, Texas · 0.60 MI SW of IH 10 · Structure no. 150150052104311

Built
1994
31 years old
Condition
Fair
inspected July 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
211 ft
2 main spans
Daily traffic
44,090
2014 count
Owner
State
State Highway Agency

About this bridge

SP 345 / Fred. Rd. over IH 410 is a prestressed concrete box beam or girders - multiple carrying SP 345 / Fred. Rd. over IH 410 in Bexar County, Texas. It was built in 1994, so it is 31 years old, younger 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 44,090 vehicles a day, roughly 2% of them trucks, projected to reach 74,950 by 2034. The structure is 211 ft (64.3 m) long and 173 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSP 345 / Fred. Rd.
CrossesIH 410
Location0.60 MI SW of IH 10
RouteState Highway 345
CountyBexar County
StateTexas
Coordinates29.49404, -98.55461
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length211 ft (64.3 m)
Longest span106 ft (32.3 m)
Deck width173 ft (52.7 m)
Roadway width155 ft (47.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,090 (2014)
Projected traffic74,950 by 2034
Trucks2%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SP 345 / Fred. Rd. over IH 410 built?

It was built in 1994, making it 31 years old in 2025.

What condition is SP 345 / Fred. Rd. over IH 410 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 2022.

How much traffic does SP 345 / Fred. Rd. over IH 410 carry?

About 44,090 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is SP 345 / Fred. Rd. over IH 410?

The structure is 211 ft (64.3 m) long with a longest span of 106 ft (32.3 m) and a deck 173 ft wide.

Who owns SP 345 / Fred. Rd. over IH 410?

It is owned by the State Highway Agency.