US Bridges

US 281 Sbml over FM 1863

Good

Comal County, Texas · 3.90 MI S of SH 46 · Structure no. 150460025303085

Built
1999
26 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
269 ft
1 main span
Daily traffic
17,913
2019 count
Owner
State
State Highway Agency

About this bridge

US 281 Sbml over FM 1863 is a prestressed concrete stringer/multi-beam or girder carrying US 281 Sbml over FM 1863 in Comal County, Texas. It was built in 1999, so it is 26 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,913 vehicles a day, roughly 5% of them trucks, projected to reach 18,690 by 2033. The structure is 269 ft (82 m) long and 41 ft wide.

CarriesUS 281 Sbml
CrossesFM 1863
Location3.90 MI S of SH 46
RouteU.S. Route 281
StateTexas
Coordinates29.74324, -98.43506
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length269 ft (82 m)
Longest span126 ft (38.4 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,913 (2019)
Projected traffic18,690 by 2033
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 281 Sbml over FM 1863 built?

It was built in 1999, making it 26 years old in 2025.

What condition is US 281 Sbml over FM 1863 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2022.

How much traffic does US 281 Sbml over FM 1863 carry?

About 17,913 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is US 281 Sbml over FM 1863?

The structure is 269 ft (82 m) long with a longest span of 126 ft (38.4 m) and a deck 41 ft wide.

Who owns US 281 Sbml over FM 1863?

It is owned by the State Highway Agency.