US Bridges

FM 1863 over Lewis Creek

Good

Comal County, Texas · 2.95 MI E US 281 · Structure no. 150460047003002

Built
1996
29 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
275 ft
10 main spans
Daily traffic
2,229
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1863 over Lewis Creek is a concrete continuous slab carrying FM 1863 over Lewis Creek in Comal County, Texas. It was built in 1996, so it is 29 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 2,229 vehicles a day, roughly 15% of them trucks, projected to reach 4,240 by 2033. The structure is 275 ft (83.8 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 1863
CrossesLewis Creek
Location2.95 MI E US 281
RouteState Highway 1863
StateTexas
Coordinates29.74535, -98.38959
Functional classRural Major Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length275 ft (83.8 m)
Longest span32 ft (9.8 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,229 (2020)
Projected traffic4,240 by 2033
Trucks15%
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

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 FM 1863 over Lewis Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is FM 1863 over Lewis Creek 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 2024.

How much traffic does FM 1863 over Lewis Creek carry?

About 2,229 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is FM 1863 over Lewis Creek?

The structure is 275 ft (83.8 m) long with a longest span of 32 ft (9.8 m) and a deck 46 ft wide.

Who owns FM 1863 over Lewis Creek?

It is owned by the State Highway Agency.